156563990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3257}}^1$

素因数の和:3317

約数の個数: 64

約数和(自身を含む): 337789440

約数和(自身を除く): 181225450

約数列:

[1, 2, 5, 10, 11, 19, 22, 23, 38, 46, 55, 95, 110, 115, 190, 209, 230, 253, 418, 437, 506, 874, 1045, 1265, 2090, 2185, 2530, 3257, 4370, 4807, 6514, 9614, 16285, 24035, 32570, 35827, 48070, 61883, 71654, 74911, 123766, 149822, 179135, 309415, 358270, 374555, 618830, 680713, 749110, 824021, 1361426, 1423309, 1648042, 2846618, 3403565, 4120105, 6807130, 7116545, 8240210, 14233090, 15656399, 31312798, 78281995, 156563990]

約数ペア:

[(1, 156563990), (2, 78281995), (5, 31312798), (10, 15656399), (11, 14233090), (19, 8240210), (22, 7116545), (23, 6807130), (38, 4120105), (46, 3403565), (55, 2846618), (95, 1648042), (110, 1423309), (115, 1361426), (190, 824021), (209, 749110), (230, 680713), (253, 618830), (418, 374555), (437, 358270), (506, 309415), (874, 179135), (1045, 149822), (1265, 123766), (2090, 74911), (2185, 71654), (2530, 61883), (3257, 48070), (4370, 35827), (4807, 32570), (6514, 24035), (9614, 16285)]