71015920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2459}}^1$

素因数の和:2510

約数の個数: 60

約数和(自身を含む): 174330360

約数和(自身を除く): 103314440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 722, 760, 1444, 1520, 1805, 2459, 2888, 3610, 4918, 5776, 7220, 9836, 12295, 14440, 19672, 24590, 28880, 39344, 46721, 49180, 93442, 98360, 186884, 196720, 233605, 373768, 467210, 747536, 887699, 934420, 1775398, 1868840, 3550796, 3737680, 4438495, 7101592, 8876990, 14203184, 17753980, 35507960, 71015920]

約数ペア:

[(1, 71015920), (2, 35507960), (4, 17753980), (5, 14203184), (8, 8876990), (10, 7101592), (16, 4438495), (19, 3737680), (20, 3550796), (38, 1868840), (40, 1775398), (76, 934420), (80, 887699), (95, 747536), (152, 467210), (190, 373768), (304, 233605), (361, 196720), (380, 186884), (722, 98360), (760, 93442), (1444, 49180), (1520, 46721), (1805, 39344), (2459, 28880), (2888, 24590), (3610, 19672), (4918, 14440), (5776, 12295), (7220, 9836)]