905460400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:240

約数の個数: 240

約数和(自身を含む): 2495340288

約数和(自身を除く): 1589879888

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 40, 41, 50, 52, 62, 65, 80, 82, 100, 104, 124, 130, 137, 155, 164, 200, 205, 208, 248, 260, 274, 310, 325, 328, 400, 403, 410, 496, 520, 533, 548, 620, 650, 656, 685, 775, 806, 820, 1025, 1040, 1066, 1096, 1240, 1271, 1300, 1370, 1550, 1612, 1640, 1781, 2015, 2050, 2132, 2192, 2480, 2542, 2600, 2665, 2740, 3100, 3224, 3280, 3425, 3562, 4030, 4100, 4247, 4264, 5084, 5200, 5330, 5480, 5617, 6200, 6355, 6448, 6850, 7124, 8060, 8200, 8494, 8528, 8905, 10075, 10168, 10660, 10960, 11234, 12400, 12710, 13325, 13700, 14248, 16120, 16400, 16523, 16988, 17810, 20150, 20336, 21235, 21320, 22468, 25420, 26650, 27400, 28085, 28496, 31775, 32240, 33046, 33976, 35620, 40300, 42470, 42640, 44525, 44936, 50840, 53300, 54800, 55211, 56170, 63550, 66092, 67952, 71240, 73021, 80600, 82615, 84940, 89050, 89872, 101680, 106175, 106600, 110422, 112340, 127100, 132184, 140425, 142480, 146042, 161200, 165230, 169880, 174127, 178100, 212350, 213200, 220844, 224680, 254200, 264368, 276055, 280850, 292084, 330460, 339760, 348254, 356200, 365105, 413075, 424700, 441688, 449360, 508400, 552110, 561700, 584168, 660920, 696508, 712400, 730210, 826150, 849400, 870635, 883376, 1104220, 1123400, 1168336, 1321840, 1380275, 1393016, 1460420, 1652300, 1698800, 1741270, 1825525, 2208440, 2246800, 2263651, 2760550, 2786032, 2920840, 3304600, 3482540, 3651050, 4353175, 4416880, 4527302, 5521100, 5841680, 6609200, 6965080, 7302100, 8706350, 9054604, 11042200, 11318255, 13930160, 14604200, 17412700, 18109208, 22084400, 22636510, 29208400, 34825400, 36218416, 45273020, 56591275, 69650800, 90546040, 113182550, 181092080, 226365100, 452730200, 905460400]

約数ペア:

[(1, 905460400), (2, 452730200), (4, 226365100), (5, 181092080), (8, 113182550), (10, 90546040), (13, 69650800), (16, 56591275), (20, 45273020), (25, 36218416), (26, 34825400), (31, 29208400), (40, 22636510), (41, 22084400), (50, 18109208), (52, 17412700), (62, 14604200), (65, 13930160), (80, 11318255), (82, 11042200), (100, 9054604), (104, 8706350), (124, 7302100), (130, 6965080), (137, 6609200), (155, 5841680), (164, 5521100), (200, 4527302), (205, 4416880), (208, 4353175), (248, 3651050), (260, 3482540), (274, 3304600), (310, 2920840), (325, 2786032), (328, 2760550), (400, 2263651), (403, 2246800), (410, 2208440), (496, 1825525), (520, 1741270), (533, 1698800), (548, 1652300), (620, 1460420), (650, 1393016), (656, 1380275), (685, 1321840), (775, 1168336), (806, 1123400), (820, 1104220), (1025, 883376), (1040, 870635), (1066, 849400), (1096, 826150), (1240, 730210), (1271, 712400), (1300, 696508), (1370, 660920), (1550, 584168), (1612, 561700), (1640, 552110), (1781, 508400), (2015, 449360), (2050, 441688), (2132, 424700), (2192, 413075), (2480, 365105), (2542, 356200), (2600, 348254), (2665, 339760), (2740, 330460), (3100, 292084), (3224, 280850), (3280, 276055), (3425, 264368), (3562, 254200), (4030, 224680), (4100, 220844), (4247, 213200), (4264, 212350), (5084, 178100), (5200, 174127), (5330, 169880), (5480, 165230), (5617, 161200), (6200, 146042), (6355, 142480), (6448, 140425), (6850, 132184), (7124, 127100), (8060, 112340), (8200, 110422), (8494, 106600), (8528, 106175), (8905, 101680), (10075, 89872), (10168, 89050), (10660, 84940), (10960, 82615), (11234, 80600), (12400, 73021), (12710, 71240), (13325, 67952), (13700, 66092), (14248, 63550), (16120, 56170), (16400, 55211), (16523, 54800), (16988, 53300), (17810, 50840), (20150, 44936), (20336, 44525), (21235, 42640), (21320, 42470), (22468, 40300), (25420, 35620), (26650, 33976), (27400, 33046), (28085, 32240), (28496, 31775)]