90957100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:156

約数の個数: 144

約数和(自身を含む): 229040896

約数和(自身を除く): 138083796

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 37, 50, 52, 61, 62, 65, 74, 100, 122, 124, 130, 148, 155, 185, 244, 260, 305, 310, 325, 370, 403, 481, 610, 620, 650, 740, 775, 793, 806, 925, 962, 1147, 1220, 1300, 1525, 1550, 1586, 1612, 1850, 1891, 1924, 2015, 2257, 2294, 2405, 3050, 3100, 3172, 3700, 3782, 3965, 4030, 4514, 4588, 4810, 5735, 6100, 7564, 7930, 8060, 9028, 9455, 9620, 10075, 11285, 11470, 12025, 14911, 15860, 18910, 19825, 20150, 22570, 22940, 24050, 24583, 28675, 29341, 29822, 37820, 39650, 40300, 45140, 47275, 48100, 49166, 56425, 57350, 58682, 59644, 69967, 74555, 79300, 94550, 98332, 112850, 114700, 117364, 122915, 139934, 146705, 149110, 189100, 225700, 245830, 279868, 293410, 298220, 349835, 372775, 491660, 586820, 614575, 699670, 733525, 745550, 909571, 1229150, 1399340, 1467050, 1491100, 1749175, 1819142, 2458300, 2934100, 3498350, 3638284, 4547855, 6996700, 9095710, 18191420, 22739275, 45478550, 90957100]

約数ペア:

[(1, 90957100), (2, 45478550), (4, 22739275), (5, 18191420), (10, 9095710), (13, 6996700), (20, 4547855), (25, 3638284), (26, 3498350), (31, 2934100), (37, 2458300), (50, 1819142), (52, 1749175), (61, 1491100), (62, 1467050), (65, 1399340), (74, 1229150), (100, 909571), (122, 745550), (124, 733525), (130, 699670), (148, 614575), (155, 586820), (185, 491660), (244, 372775), (260, 349835), (305, 298220), (310, 293410), (325, 279868), (370, 245830), (403, 225700), (481, 189100), (610, 149110), (620, 146705), (650, 139934), (740, 122915), (775, 117364), (793, 114700), (806, 112850), (925, 98332), (962, 94550), (1147, 79300), (1220, 74555), (1300, 69967), (1525, 59644), (1550, 58682), (1586, 57350), (1612, 56425), (1850, 49166), (1891, 48100), (1924, 47275), (2015, 45140), (2257, 40300), (2294, 39650), (2405, 37820), (3050, 29822), (3100, 29341), (3172, 28675), (3700, 24583), (3782, 24050), (3965, 22940), (4030, 22570), (4514, 20150), (4588, 19825), (4810, 18910), (5735, 15860), (6100, 14911), (7564, 12025), (7930, 11470), (8060, 11285), (9028, 10075), (9455, 9620)]