401804920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{22273}}^1$

素因数の和:22336

約数の個数: 64

約数和(自身を含む): 1010348640

約数和(自身を除く): 608543720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1640, 1804, 2255, 3608, 4510, 9020, 18040, 22273, 44546, 89092, 111365, 178184, 222730, 245003, 445460, 490006, 890920, 913193, 980012, 1225015, 1826386, 1960024, 2450030, 3652772, 4565965, 4900060, 7305544, 9131930, 9800120, 10045123, 18263860, 20090246, 36527720, 40180492, 50225615, 80360984, 100451230, 200902460, 401804920]

約数ペア:

[(1, 401804920), (2, 200902460), (4, 100451230), (5, 80360984), (8, 50225615), (10, 40180492), (11, 36527720), (20, 20090246), (22, 18263860), (40, 10045123), (41, 9800120), (44, 9131930), (55, 7305544), (82, 4900060), (88, 4565965), (110, 3652772), (164, 2450030), (205, 1960024), (220, 1826386), (328, 1225015), (410, 980012), (440, 913193), (451, 890920), (820, 490006), (902, 445460), (1640, 245003), (1804, 222730), (2255, 178184), (3608, 111365), (4510, 89092), (9020, 44546), (18040, 22273)]