425344720

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1\times {\mathrm{421}}^1$

素因数の和:680

約数の個数: 80

約数和(自身を含む): 1010662992

約数和(自身を除く): 585318272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 173, 292, 346, 365, 421, 584, 692, 730, 842, 865, 1168, 1384, 1460, 1684, 1730, 2105, 2768, 2920, 3368, 3460, 4210, 5840, 6736, 6920, 8420, 12629, 13840, 16840, 25258, 30733, 33680, 50516, 61466, 63145, 72833, 101032, 122932, 126290, 145666, 153665, 202064, 245864, 252580, 291332, 307330, 364165, 491728, 505160, 582664, 614660, 728330, 1010320, 1165328, 1229320, 1456660, 2458640, 2913320, 5316809, 5826640, 10633618, 21267236, 26584045, 42534472, 53168090, 85068944, 106336180, 212672360, 425344720]

約数ペア:

[(1, 425344720), (2, 212672360), (4, 106336180), (5, 85068944), (8, 53168090), (10, 42534472), (16, 26584045), (20, 21267236), (40, 10633618), (73, 5826640), (80, 5316809), (146, 2913320), (173, 2458640), (292, 1456660), (346, 1229320), (365, 1165328), (421, 1010320), (584, 728330), (692, 614660), (730, 582664), (842, 505160), (865, 491728), (1168, 364165), (1384, 307330), (1460, 291332), (1684, 252580), (1730, 245864), (2105, 202064), (2768, 153665), (2920, 145666), (3368, 126290), (3460, 122932), (4210, 101032), (5840, 72833), (6736, 63145), (6920, 61466), (8420, 50516), (12629, 33680), (13840, 30733), (16840, 25258)]