161841700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:182

約数の個数: 144

約数和(自身を含む): 398974464

約数和(自身を除く): 237132764

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 31, 34, 37, 50, 62, 68, 74, 83, 85, 100, 124, 148, 155, 166, 170, 185, 310, 332, 340, 370, 415, 425, 527, 620, 629, 740, 775, 830, 850, 925, 1054, 1147, 1258, 1411, 1550, 1660, 1700, 1850, 2075, 2108, 2294, 2516, 2573, 2635, 2822, 3071, 3100, 3145, 3700, 4150, 4588, 5146, 5270, 5644, 5735, 6142, 6290, 7055, 8300, 10292, 10540, 11470, 12284, 12580, 12865, 13175, 14110, 15355, 15725, 19499, 22940, 25730, 26350, 28220, 28675, 30710, 31450, 35275, 38998, 43741, 51460, 52207, 52700, 57350, 61420, 62900, 64325, 70550, 76775, 77996, 87482, 95201, 97495, 104414, 114700, 128650, 141100, 153550, 174964, 190402, 194990, 208828, 218705, 257300, 261035, 307100, 380804, 389980, 437410, 476005, 487475, 522070, 874820, 952010, 974950, 1044140, 1093525, 1305175, 1618417, 1904020, 1949900, 2187050, 2380025, 2610350, 3236834, 4374100, 4760050, 5220700, 6473668, 8092085, 9520100, 16184170, 32368340, 40460425, 80920850, 161841700]

約数ペア:

[(1, 161841700), (2, 80920850), (4, 40460425), (5, 32368340), (10, 16184170), (17, 9520100), (20, 8092085), (25, 6473668), (31, 5220700), (34, 4760050), (37, 4374100), (50, 3236834), (62, 2610350), (68, 2380025), (74, 2187050), (83, 1949900), (85, 1904020), (100, 1618417), (124, 1305175), (148, 1093525), (155, 1044140), (166, 974950), (170, 952010), (185, 874820), (310, 522070), (332, 487475), (340, 476005), (370, 437410), (415, 389980), (425, 380804), (527, 307100), (620, 261035), (629, 257300), (740, 218705), (775, 208828), (830, 194990), (850, 190402), (925, 174964), (1054, 153550), (1147, 141100), (1258, 128650), (1411, 114700), (1550, 104414), (1660, 97495), (1700, 95201), (1850, 87482), (2075, 77996), (2108, 76775), (2294, 70550), (2516, 64325), (2573, 62900), (2635, 61420), (2822, 57350), (3071, 52700), (3100, 52207), (3145, 51460), (3700, 43741), (4150, 38998), (4588, 35275), (5146, 31450), (5270, 30710), (5644, 28675), (5735, 28220), (6142, 26350), (6290, 25730), (7055, 22940), (8300, 19499), (10292, 15725), (10540, 15355), (11470, 14110), (12284, 13175), (12580, 12865)]