419014780

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1\times {\mathrm{797}}^1$

素因数の和:1174

約数の個数: 48

約数和(自身を含む): 893402496

約数和(自身を除く): 474387716

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 271, 388, 485, 542, 797, 970, 1084, 1355, 1594, 1940, 2710, 3188, 3985, 5420, 7970, 15940, 26287, 52574, 77309, 105148, 131435, 154618, 215987, 262870, 309236, 386545, 431974, 525740, 773090, 863948, 1079935, 1546180, 2159870, 4319740, 20950739, 41901478, 83802956, 104753695, 209507390, 419014780]

約数ペア:

[(1, 419014780), (2, 209507390), (4, 104753695), (5, 83802956), (10, 41901478), (20, 20950739), (97, 4319740), (194, 2159870), (271, 1546180), (388, 1079935), (485, 863948), (542, 773090), (797, 525740), (970, 431974), (1084, 386545), (1355, 309236), (1594, 262870), (1940, 215987), (2710, 154618), (3188, 131435), (3985, 105148), (5420, 77309), (7970, 52574), (15940, 26287)]