7848220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{563}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 17908128

約数和(自身を除く): 10059908

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 563, 697, 820, 1126, 1394, 2252, 2788, 2815, 3485, 5630, 6970, 9571, 11260, 13940, 19142, 23083, 38284, 46166, 47855, 92332, 95710, 115415, 191420, 230830, 392411, 461660, 784822, 1569644, 1962055, 3924110, 7848220]

約数ペア:

[(1, 7848220), (2, 3924110), (4, 1962055), (5, 1569644), (10, 784822), (17, 461660), (20, 392411), (34, 230830), (41, 191420), (68, 115415), (82, 95710), (85, 92332), (164, 47855), (170, 46166), (205, 38284), (340, 23083), (410, 19142), (563, 13940), (697, 11260), (820, 9571), (1126, 6970), (1394, 5630), (2252, 3485), (2788, 2815)]