309919400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:284

約数の個数: 192

約数和(自身を含む): 877562880

約数和(自身を除く): 567643480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 31, 35, 37, 40, 50, 56, 62, 70, 74, 100, 124, 140, 148, 155, 175, 185, 193, 200, 217, 248, 259, 280, 296, 310, 350, 370, 386, 434, 518, 620, 700, 740, 772, 775, 868, 925, 965, 1036, 1085, 1147, 1240, 1295, 1351, 1400, 1480, 1544, 1550, 1736, 1850, 1930, 2072, 2170, 2294, 2590, 2702, 3100, 3700, 3860, 4340, 4588, 4825, 5180, 5404, 5425, 5735, 5983, 6200, 6475, 6755, 7141, 7400, 7720, 8029, 8680, 9176, 9650, 10360, 10808, 10850, 11470, 11966, 12950, 13510, 14282, 16058, 19300, 21700, 22940, 23932, 25900, 27020, 28564, 28675, 29915, 32116, 33775, 35705, 38600, 40145, 41881, 43400, 45880, 47864, 49987, 51800, 54040, 57128, 57350, 59830, 64232, 67550, 71410, 80290, 83762, 99974, 114700, 119660, 135100, 142820, 149575, 160580, 167524, 178525, 199948, 200725, 209405, 221371, 229400, 239320, 249935, 270200, 285640, 299150, 321160, 335048, 357050, 399896, 401450, 418810, 442742, 499870, 598300, 714100, 802900, 837620, 885484, 999740, 1047025, 1106855, 1196600, 1249675, 1428200, 1549597, 1605800, 1675240, 1770968, 1999480, 2094050, 2213710, 2499350, 3099194, 4188100, 4427420, 4998700, 5534275, 6198388, 7747985, 8376200, 8854840, 9997400, 11068550, 12396776, 15495970, 22137100, 30991940, 38739925, 44274200, 61983880, 77479850, 154959700, 309919400]

約数ペア:

[(1, 309919400), (2, 154959700), (4, 77479850), (5, 61983880), (7, 44274200), (8, 38739925), (10, 30991940), (14, 22137100), (20, 15495970), (25, 12396776), (28, 11068550), (31, 9997400), (35, 8854840), (37, 8376200), (40, 7747985), (50, 6198388), (56, 5534275), (62, 4998700), (70, 4427420), (74, 4188100), (100, 3099194), (124, 2499350), (140, 2213710), (148, 2094050), (155, 1999480), (175, 1770968), (185, 1675240), (193, 1605800), (200, 1549597), (217, 1428200), (248, 1249675), (259, 1196600), (280, 1106855), (296, 1047025), (310, 999740), (350, 885484), (370, 837620), (386, 802900), (434, 714100), (518, 598300), (620, 499870), (700, 442742), (740, 418810), (772, 401450), (775, 399896), (868, 357050), (925, 335048), (965, 321160), (1036, 299150), (1085, 285640), (1147, 270200), (1240, 249935), (1295, 239320), (1351, 229400), (1400, 221371), (1480, 209405), (1544, 200725), (1550, 199948), (1736, 178525), (1850, 167524), (1930, 160580), (2072, 149575), (2170, 142820), (2294, 135100), (2590, 119660), (2702, 114700), (3100, 99974), (3700, 83762), (3860, 80290), (4340, 71410), (4588, 67550), (4825, 64232), (5180, 59830), (5404, 57350), (5425, 57128), (5735, 54040), (5983, 51800), (6200, 49987), (6475, 47864), (6755, 45880), (7141, 43400), (7400, 41881), (7720, 40145), (8029, 38600), (8680, 35705), (9176, 33775), (9650, 32116), (10360, 29915), (10808, 28675), (10850, 28564), (11470, 27020), (11966, 25900), (12950, 23932), (13510, 22940), (14282, 21700), (16058, 19300)]