221825460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{499}}^1$

素因数の和:781

約数の個数: 96

約数和(自身を含む): 645120000

約数和(自身を除く): 423294540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 239, 310, 372, 465, 478, 499, 620, 717, 930, 956, 998, 1195, 1434, 1497, 1860, 1996, 2390, 2495, 2868, 2994, 3585, 4780, 4990, 5988, 7170, 7409, 7485, 9980, 14340, 14818, 14970, 15469, 22227, 29636, 29940, 30938, 37045, 44454, 46407, 61876, 74090, 77345, 88908, 92814, 111135, 119261, 148180, 154690, 185628, 222270, 232035, 238522, 309380, 357783, 444540, 464070, 477044, 596305, 715566, 928140, 1192610, 1431132, 1788915, 2385220, 3577830, 3697091, 7155660, 7394182, 11091273, 14788364, 18485455, 22182546, 36970910, 44365092, 55456365, 73941820, 110912730, 221825460]

約数ペア:

[(1, 221825460), (2, 110912730), (3, 73941820), (4, 55456365), (5, 44365092), (6, 36970910), (10, 22182546), (12, 18485455), (15, 14788364), (20, 11091273), (30, 7394182), (31, 7155660), (60, 3697091), (62, 3577830), (93, 2385220), (124, 1788915), (155, 1431132), (186, 1192610), (239, 928140), (310, 715566), (372, 596305), (465, 477044), (478, 464070), (499, 444540), (620, 357783), (717, 309380), (930, 238522), (956, 232035), (998, 222270), (1195, 185628), (1434, 154690), (1497, 148180), (1860, 119261), (1996, 111135), (2390, 92814), (2495, 88908), (2868, 77345), (2994, 74090), (3585, 61876), (4780, 46407), (4990, 44454), (5988, 37045), (7170, 30938), (7409, 29940), (7485, 29636), (9980, 22227), (14340, 15469), (14818, 14970)]