2155490500

素因数分解:

$2^2\times 5^3\times {\mathrm{37}}^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:207

約数の個数: 144

約数和(自身を含む): 5014953216

約数和(自身を除く): 2859462716

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 47, 50, 67, 74, 94, 100, 125, 134, 148, 185, 188, 235, 250, 268, 335, 370, 470, 500, 670, 740, 925, 940, 1175, 1340, 1369, 1675, 1739, 1850, 2350, 2479, 2738, 3149, 3350, 3478, 3700, 4625, 4700, 4958, 5476, 5875, 6298, 6700, 6845, 6956, 8375, 8695, 9250, 9916, 11750, 12395, 12596, 13690, 15745, 16750, 17390, 18500, 23500, 24790, 27380, 31490, 33500, 34225, 34780, 43475, 49580, 61975, 62980, 64343, 68450, 78725, 86950, 91723, 116513, 123950, 128686, 136900, 157450, 171125, 173900, 183446, 217375, 233026, 247900, 257372, 309875, 314900, 321715, 342250, 366892, 393625, 434750, 458615, 466052, 582565, 619750, 643430, 684500, 787250, 869500, 917230, 1165130, 1239500, 1286860, 1574500, 1608575, 1834460, 2293075, 2330260, 2912825, 3217150, 4310981, 4586150, 5825650, 6434300, 8042875, 8621962, 9172300, 11465375, 11651300, 14564125, 16085750, 17243924, 21554905, 22930750, 29128250, 32171500, 43109810, 45861500, 58256500, 86219620, 107774525, 215549050, 431098100, 538872625, 1077745250, 2155490500]

約数ペア:

[(1, 2155490500), (2, 1077745250), (4, 538872625), (5, 431098100), (10, 215549050), (20, 107774525), (25, 86219620), (37, 58256500), (47, 45861500), (50, 43109810), (67, 32171500), (74, 29128250), (94, 22930750), (100, 21554905), (125, 17243924), (134, 16085750), (148, 14564125), (185, 11651300), (188, 11465375), (235, 9172300), (250, 8621962), (268, 8042875), (335, 6434300), (370, 5825650), (470, 4586150), (500, 4310981), (670, 3217150), (740, 2912825), (925, 2330260), (940, 2293075), (1175, 1834460), (1340, 1608575), (1369, 1574500), (1675, 1286860), (1739, 1239500), (1850, 1165130), (2350, 917230), (2479, 869500), (2738, 787250), (3149, 684500), (3350, 643430), (3478, 619750), (3700, 582565), (4625, 466052), (4700, 458615), (4958, 434750), (5476, 393625), (5875, 366892), (6298, 342250), (6700, 321715), (6845, 314900), (6956, 309875), (8375, 257372), (8695, 247900), (9250, 233026), (9916, 217375), (11750, 183446), (12395, 173900), (12596, 171125), (13690, 157450), (15745, 136900), (16750, 128686), (17390, 123950), (18500, 116513), (23500, 91723), (24790, 86950), (27380, 78725), (31490, 68450), (33500, 64343), (34225, 62980), (34780, 61975), (43475, 49580)]