1021195340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{31153}}^1$

素因数の和:31322

約数の個数: 48

約数和(自身を含む): 2355242400

約数和(自身を除く): 1334047060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 149, 220, 298, 596, 745, 1490, 1639, 2980, 3278, 6556, 8195, 16390, 31153, 32780, 62306, 124612, 155765, 311530, 342683, 623060, 685366, 1370732, 1713415, 3426830, 4641797, 6853660, 9283594, 18567188, 23208985, 46417970, 51059767, 92835940, 102119534, 204239068, 255298835, 510597670, 1021195340]

約数ペア:

[(1, 1021195340), (2, 510597670), (4, 255298835), (5, 204239068), (10, 102119534), (11, 92835940), (20, 51059767), (22, 46417970), (44, 23208985), (55, 18567188), (110, 9283594), (149, 6853660), (220, 4641797), (298, 3426830), (596, 1713415), (745, 1370732), (1490, 685366), (1639, 623060), (2980, 342683), (3278, 311530), (6556, 155765), (8195, 124612), (16390, 62306), (31153, 32780)]