491713740

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{331}}^1$

素因数の和:490

約数の個数: 240

約数和(自身を含む): 1781708544

約数和(自身を除く): 1289994804

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 131, 135, 140, 162, 180, 189, 210, 252, 262, 270, 315, 324, 331, 378, 393, 405, 420, 524, 540, 567, 630, 655, 662, 756, 786, 810, 917, 945, 993, 1134, 1179, 1260, 1310, 1324, 1572, 1620, 1655, 1834, 1890, 1965, 1986, 2268, 2317, 2358, 2620, 2751, 2835, 2979, 3310, 3537, 3668, 3780, 3930, 3972, 4585, 4634, 4716, 4965, 5502, 5670, 5895, 5958, 6620, 6951, 7074, 7860, 8253, 8937, 9170, 9268, 9930, 10611, 11004, 11340, 11585, 11790, 11916, 13755, 13902, 14148, 14895, 16506, 17685, 17874, 18340, 19860, 20853, 21222, 23170, 23580, 24759, 26811, 27510, 27804, 29790, 33012, 34755, 35370, 35748, 41265, 41706, 42444, 43361, 44685, 46340, 49518, 53055, 53622, 55020, 59580, 62559, 69510, 70740, 74277, 82530, 83412, 86722, 89370, 99036, 104265, 106110, 107244, 123795, 125118, 130083, 134055, 139020, 148554, 165060, 173444, 178740, 187677, 208530, 212220, 216805, 247590, 250236, 260166, 268110, 297108, 303527, 312795, 371385, 375354, 390249, 417060, 433610, 495180, 520332, 536220, 607054, 625590, 650415, 742770, 750708, 780498, 867220, 910581, 938385, 1170747, 1214108, 1251180, 1300830, 1485540, 1517635, 1560996, 1821162, 1876770, 1951245, 2341494, 2601660, 2731743, 3035270, 3512241, 3642324, 3753540, 3902490, 4552905, 4682988, 5463486, 5853735, 6070540, 7024482, 7804980, 8195229, 9105810, 10926972, 11707470, 13658715, 14048964, 16390458, 17561205, 18211620, 23414940, 24585687, 27317430, 32780916, 35122410, 40976145, 49171374, 54634860, 70244820, 81952290, 98342748, 122928435, 163904580, 245856870, 491713740]

約数ペア:

[(1, 491713740), (2, 245856870), (3, 163904580), (4, 122928435), (5, 98342748), (6, 81952290), (7, 70244820), (9, 54634860), (10, 49171374), (12, 40976145), (14, 35122410), (15, 32780916), (18, 27317430), (20, 24585687), (21, 23414940), (27, 18211620), (28, 17561205), (30, 16390458), (35, 14048964), (36, 13658715), (42, 11707470), (45, 10926972), (54, 9105810), (60, 8195229), (63, 7804980), (70, 7024482), (81, 6070540), (84, 5853735), (90, 5463486), (105, 4682988), (108, 4552905), (126, 3902490), (131, 3753540), (135, 3642324), (140, 3512241), (162, 3035270), (180, 2731743), (189, 2601660), (210, 2341494), (252, 1951245), (262, 1876770), (270, 1821162), (315, 1560996), (324, 1517635), (331, 1485540), (378, 1300830), (393, 1251180), (405, 1214108), (420, 1170747), (524, 938385), (540, 910581), (567, 867220), (630, 780498), (655, 750708), (662, 742770), (756, 650415), (786, 625590), (810, 607054), (917, 536220), (945, 520332), (993, 495180), (1134, 433610), (1179, 417060), (1260, 390249), (1310, 375354), (1324, 371385), (1572, 312795), (1620, 303527), (1655, 297108), (1834, 268110), (1890, 260166), (1965, 250236), (1986, 247590), (2268, 216805), (2317, 212220), (2358, 208530), (2620, 187677), (2751, 178740), (2835, 173444), (2979, 165060), (3310, 148554), (3537, 139020), (3668, 134055), (3780, 130083), (3930, 125118), (3972, 123795), (4585, 107244), (4634, 106110), (4716, 104265), (4965, 99036), (5502, 89370), (5670, 86722), (5895, 83412), (5958, 82530), (6620, 74277), (6951, 70740), (7074, 69510), (7860, 62559), (8253, 59580), (8937, 55020), (9170, 53622), (9268, 53055), (9930, 49518), (10611, 46340), (11004, 44685), (11340, 43361), (11585, 42444), (11790, 41706), (11916, 41265), (13755, 35748), (13902, 35370), (14148, 34755), (14895, 33012), (16506, 29790), (17685, 27804), (17874, 27510), (18340, 26811), (19860, 24759), (20853, 23580), (21222, 23170)]