156510220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{1709}}^1$

素因数の和:1978

約数の個数: 48

約数和(自身を含む): 347608800

約数和(自身を除く): 191098580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 241, 380, 482, 964, 1205, 1709, 2410, 3418, 4579, 4820, 6836, 8545, 9158, 17090, 18316, 22895, 32471, 34180, 45790, 64942, 91580, 129884, 162355, 324710, 411869, 649420, 823738, 1647476, 2059345, 4118690, 7825511, 8237380, 15651022, 31302044, 39127555, 78255110, 156510220]

約数ペア:

[(1, 156510220), (2, 78255110), (4, 39127555), (5, 31302044), (10, 15651022), (19, 8237380), (20, 7825511), (38, 4118690), (76, 2059345), (95, 1647476), (190, 823738), (241, 649420), (380, 411869), (482, 324710), (964, 162355), (1205, 129884), (1709, 91580), (2410, 64942), (3418, 45790), (4579, 34180), (4820, 32471), (6836, 22895), (8545, 18316), (9158, 17090)]