31963050

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:237

約数の個数: 144

約数和(自身を含む): 100201920

約数和(自身を除く): 68238870

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 73, 75, 90, 105, 126, 139, 146, 150, 175, 210, 219, 225, 278, 315, 350, 365, 417, 438, 450, 511, 525, 630, 657, 695, 730, 834, 973, 1022, 1050, 1095, 1251, 1314, 1390, 1533, 1575, 1825, 1946, 2085, 2190, 2502, 2555, 2919, 3066, 3150, 3285, 3475, 3650, 4170, 4599, 4865, 5110, 5475, 5838, 6255, 6570, 6950, 7665, 8757, 9198, 9730, 10147, 10425, 10950, 12510, 12775, 14595, 15330, 16425, 17514, 20294, 20850, 22995, 24325, 25550, 29190, 30441, 31275, 32850, 38325, 43785, 45990, 48650, 50735, 60882, 62550, 71029, 72975, 76650, 87570, 91323, 101470, 114975, 142058, 145950, 152205, 182646, 213087, 218925, 229950, 253675, 304410, 355145, 426174, 437850, 456615, 507350, 639261, 710290, 761025, 913230, 1065435, 1278522, 1522050, 1775725, 2130870, 2283075, 3196305, 3551450, 4566150, 5327175, 6392610, 10654350, 15981525, 31963050]

約数ペア:

[(1, 31963050), (2, 15981525), (3, 10654350), (5, 6392610), (6, 5327175), (7, 4566150), (9, 3551450), (10, 3196305), (14, 2283075), (15, 2130870), (18, 1775725), (21, 1522050), (25, 1278522), (30, 1065435), (35, 913230), (42, 761025), (45, 710290), (50, 639261), (63, 507350), (70, 456615), (73, 437850), (75, 426174), (90, 355145), (105, 304410), (126, 253675), (139, 229950), (146, 218925), (150, 213087), (175, 182646), (210, 152205), (219, 145950), (225, 142058), (278, 114975), (315, 101470), (350, 91323), (365, 87570), (417, 76650), (438, 72975), (450, 71029), (511, 62550), (525, 60882), (630, 50735), (657, 48650), (695, 45990), (730, 43785), (834, 38325), (973, 32850), (1022, 31275), (1050, 30441), (1095, 29190), (1251, 25550), (1314, 24325), (1390, 22995), (1533, 20850), (1575, 20294), (1825, 17514), (1946, 16425), (2085, 15330), (2190, 14595), (2502, 12775), (2555, 12510), (2919, 10950), (3066, 10425), (3150, 10147), (3285, 9730), (3475, 9198), (3650, 8757), (4170, 7665), (4599, 6950), (4865, 6570), (5110, 6255), (5475, 5838)]