4007294750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:355

約数の個数: 128

約数和(自身を含む): 8176896000

約数和(自身を除く): 4169601250

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 59, 79, 95, 118, 125, 158, 181, 190, 250, 295, 362, 395, 475, 590, 790, 905, 950, 1121, 1475, 1501, 1810, 1975, 2242, 2375, 2950, 3002, 3439, 3950, 4525, 4661, 4750, 5605, 6878, 7375, 7505, 9050, 9322, 9875, 10679, 11210, 14299, 14750, 15010, 17195, 19750, 21358, 22625, 23305, 28025, 28598, 34390, 37525, 45250, 46610, 53395, 56050, 71495, 75050, 85975, 88559, 106790, 116525, 140125, 142990, 171950, 177118, 187625, 202901, 233050, 266975, 271681, 280250, 357475, 375250, 405802, 429875, 442795, 533950, 543362, 582625, 714950, 843641, 859750, 885590, 1014505, 1165250, 1334875, 1358405, 1687282, 1787375, 2029010, 2213975, 2669750, 2716810, 3574750, 4218205, 4427950, 5072525, 6792025, 8436410, 10145050, 11069875, 13584050, 16029179, 21091025, 22139750, 25362625, 32058358, 33960125, 42182050, 50725250, 67920250, 80145895, 105455125, 160291790, 210910250, 400729475, 801458950, 2003647375, 4007294750]

約数ペア:

[(1, 4007294750), (2, 2003647375), (5, 801458950), (10, 400729475), (19, 210910250), (25, 160291790), (38, 105455125), (50, 80145895), (59, 67920250), (79, 50725250), (95, 42182050), (118, 33960125), (125, 32058358), (158, 25362625), (181, 22139750), (190, 21091025), (250, 16029179), (295, 13584050), (362, 11069875), (395, 10145050), (475, 8436410), (590, 6792025), (790, 5072525), (905, 4427950), (950, 4218205), (1121, 3574750), (1475, 2716810), (1501, 2669750), (1810, 2213975), (1975, 2029010), (2242, 1787375), (2375, 1687282), (2950, 1358405), (3002, 1334875), (3439, 1165250), (3950, 1014505), (4525, 885590), (4661, 859750), (4750, 843641), (5605, 714950), (6878, 582625), (7375, 543362), (7505, 533950), (9050, 442795), (9322, 429875), (9875, 405802), (10679, 375250), (11210, 357475), (14299, 280250), (14750, 271681), (15010, 266975), (17195, 233050), (19750, 202901), (21358, 187625), (22625, 177118), (23305, 171950), (28025, 142990), (28598, 140125), (34390, 116525), (37525, 106790), (45250, 88559), (46610, 85975), (53395, 75050), (56050, 71495)]