398045450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{9161}}^1$

素因数の和:9263

約数の個数: 48

約数和(自身を含む): 817983360

約数和(自身を除く): 419937910

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 79, 110, 158, 275, 395, 550, 790, 869, 1738, 1975, 3950, 4345, 8690, 9161, 18322, 21725, 43450, 45805, 91610, 100771, 201542, 229025, 458050, 503855, 723719, 1007710, 1447438, 2519275, 3618595, 5038550, 7237190, 7960909, 15921818, 18092975, 36185950, 39804545, 79609090, 199022725, 398045450]

約数ペア:

[(1, 398045450), (2, 199022725), (5, 79609090), (10, 39804545), (11, 36185950), (22, 18092975), (25, 15921818), (50, 7960909), (55, 7237190), (79, 5038550), (110, 3618595), (158, 2519275), (275, 1447438), (395, 1007710), (550, 723719), (790, 503855), (869, 458050), (1738, 229025), (1975, 201542), (3950, 100771), (4345, 91610), (8690, 45805), (9161, 43450), (18322, 21725)]