224888680

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 515970000

約数和(自身を除く): 291081320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 149, 194, 298, 388, 389, 485, 596, 745, 776, 778, 970, 1192, 1490, 1556, 1940, 1945, 2980, 3112, 3880, 3890, 5960, 7780, 14453, 15560, 28906, 37733, 57812, 57961, 72265, 75466, 115624, 115922, 144530, 150932, 188665, 231844, 289060, 289805, 301864, 377330, 463688, 578120, 579610, 754660, 1159220, 1509320, 2318440, 5622217, 11244434, 22488868, 28111085, 44977736, 56222170, 112444340, 224888680]

約数ペア:

[(1, 224888680), (2, 112444340), (4, 56222170), (5, 44977736), (8, 28111085), (10, 22488868), (20, 11244434), (40, 5622217), (97, 2318440), (149, 1509320), (194, 1159220), (298, 754660), (388, 579610), (389, 578120), (485, 463688), (596, 377330), (745, 301864), (776, 289805), (778, 289060), (970, 231844), (1192, 188665), (1490, 150932), (1556, 144530), (1940, 115922), (1945, 115624), (2980, 75466), (3112, 72265), (3880, 57961), (3890, 57812), (5960, 37733), (7780, 28906), (14453, 15560)]