201273380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{18671}}^1$

素因数の和:18705

約数の個数: 72

約数和(自身を含む): 536409216

約数和(自身を除く): 335135836

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 18671, 37342, 74684, 93355, 130697, 186710, 205381, 261394, 373420, 410762, 522788, 653485, 821524, 914879, 1026905, 1306970, 1437667, 1829758, 2053810, 2613940, 2875334, 3659516, 4107620, 4574395, 5750668, 7188335, 9148790, 10063669, 14376670, 18297580, 20127338, 28753340, 40254676, 50318345, 100636690, 201273380]

約数ペア:

[(1, 201273380), (2, 100636690), (4, 50318345), (5, 40254676), (7, 28753340), (10, 20127338), (11, 18297580), (14, 14376670), (20, 10063669), (22, 9148790), (28, 7188335), (35, 5750668), (44, 4574395), (49, 4107620), (55, 3659516), (70, 2875334), (77, 2613940), (98, 2053810), (110, 1829758), (140, 1437667), (154, 1306970), (196, 1026905), (220, 914879), (245, 821524), (308, 653485), (385, 522788), (490, 410762), (539, 373420), (770, 261394), (980, 205381), (1078, 186710), (1540, 130697), (2156, 93355), (2695, 74684), (5390, 37342), (10780, 18671)]