81330708100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1\times {\mathrm{2111}}^1$

素因数の和:2446

約数の個数: 144

約数和(自身を含む): 189473872896

約数和(自身を除く): 108143164796

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 131, 170, 173, 262, 340, 346, 425, 524, 655, 692, 850, 865, 1310, 1700, 1730, 2111, 2227, 2620, 2941, 3275, 3460, 4222, 4325, 4454, 5882, 6550, 8444, 8650, 8908, 10555, 11135, 11764, 13100, 14705, 17300, 21110, 22270, 22663, 29410, 35887, 42220, 44540, 45326, 52775, 55675, 58820, 71774, 73525, 90652, 105550, 111350, 113315, 143548, 147050, 179435, 211100, 222700, 226630, 276541, 294100, 358870, 365203, 385271, 453260, 553082, 566575, 717740, 730406, 770542, 897175, 1106164, 1133150, 1382705, 1460812, 1541084, 1794350, 1826015, 1926355, 2266300, 2765410, 3588700, 3652030, 3852710, 4701197, 5530820, 6208451, 6913525, 7304060, 7705420, 9130075, 9402394, 9631775, 12416902, 13827050, 18260150, 18804788, 19263550, 23505985, 24833804, 27654100, 31042255, 36520300, 38527100, 47011970, 47841593, 62084510, 94023940, 95683186, 117529925, 124169020, 155211275, 191366372, 235059850, 239207965, 310422550, 470119700, 478415930, 620845100, 813307081, 956831860, 1196039825, 1626614162, 2392079650, 3253228324, 4066535405, 4784159300, 8133070810, 16266141620, 20332677025, 40665354050, 81330708100]

約数ペア:

[(1, 81330708100), (2, 40665354050), (4, 20332677025), (5, 16266141620), (10, 8133070810), (17, 4784159300), (20, 4066535405), (25, 3253228324), (34, 2392079650), (50, 1626614162), (68, 1196039825), (85, 956831860), (100, 813307081), (131, 620845100), (170, 478415930), (173, 470119700), (262, 310422550), (340, 239207965), (346, 235059850), (425, 191366372), (524, 155211275), (655, 124169020), (692, 117529925), (850, 95683186), (865, 94023940), (1310, 62084510), (1700, 47841593), (1730, 47011970), (2111, 38527100), (2227, 36520300), (2620, 31042255), (2941, 27654100), (3275, 24833804), (3460, 23505985), (4222, 19263550), (4325, 18804788), (4454, 18260150), (5882, 13827050), (6550, 12416902), (8444, 9631775), (8650, 9402394), (8908, 9130075), (10555, 7705420), (11135, 7304060), (11764, 6913525), (13100, 6208451), (14705, 5530820), (17300, 4701197), (21110, 3852710), (22270, 3652030), (22663, 3588700), (29410, 2765410), (35887, 2266300), (42220, 1926355), (44540, 1826015), (45326, 1794350), (52775, 1541084), (55675, 1460812), (58820, 1382705), (71774, 1133150), (73525, 1106164), (90652, 897175), (105550, 770542), (111350, 730406), (113315, 717740), (143548, 566575), (147050, 553082), (179435, 453260), (211100, 385271), (222700, 365203), (226630, 358870), (276541, 294100)]