38885990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:485

約数の個数: 64

約数和(自身を含む): 83607552

約数和(自身を除く): 44721562

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 71, 110, 130, 142, 143, 286, 355, 383, 710, 715, 766, 781, 923, 1430, 1562, 1846, 1915, 3830, 3905, 4213, 4615, 4979, 7810, 8426, 9230, 9958, 10153, 20306, 21065, 24895, 27193, 42130, 49790, 50765, 54386, 54769, 101530, 109538, 135965, 271930, 273845, 299123, 353509, 547690, 598246, 707018, 1495615, 1767545, 2991230, 3535090, 3888599, 7777198, 19442995, 38885990]

約数ペア:

[(1, 38885990), (2, 19442995), (5, 7777198), (10, 3888599), (11, 3535090), (13, 2991230), (22, 1767545), (26, 1495615), (55, 707018), (65, 598246), (71, 547690), (110, 353509), (130, 299123), (142, 273845), (143, 271930), (286, 135965), (355, 109538), (383, 101530), (710, 54769), (715, 54386), (766, 50765), (781, 49790), (923, 42130), (1430, 27193), (1562, 24895), (1846, 21065), (1915, 20306), (3830, 10153), (3905, 9958), (4213, 9230), (4615, 8426), (4979, 7810)]