289059920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{10009}}^1$

素因数の和:10060

約数の個数: 60

約数和(自身を含む): 709368660

約数和(自身を除く): 420308740

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, 2888, 3610, 5776, 7220, 10009, 14440, 20018, 28880, 40036, 50045, 80072, 100090, 160144, 190171, 200180, 380342, 400360, 760684, 800720, 950855, 1521368, 1901710, 3042736, 3613249, 3803420, 7226498, 7606840, 14452996, 15213680, 18066245, 28905992, 36132490, 57811984, 72264980, 144529960, 289059920]

約数ペア:

[(1, 289059920), (2, 144529960), (4, 72264980), (5, 57811984), (8, 36132490), (10, 28905992), (16, 18066245), (19, 15213680), (20, 14452996), (38, 7606840), (40, 7226498), (76, 3803420), (80, 3613249), (95, 3042736), (152, 1901710), (190, 1521368), (304, 950855), (361, 800720), (380, 760684), (722, 400360), (760, 380342), (1444, 200180), (1520, 190171), (1805, 160144), (2888, 100090), (3610, 80072), (5776, 50045), (7220, 40036), (10009, 28880), (14440, 20018)]