77840290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{7951}}^1$

素因数の和:8058

約数の個数: 32

約数和(自身を含む): 154586880

約数和(自身を除く): 76746590

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 445, 890, 979, 1958, 4895, 7951, 9790, 15902, 39755, 79510, 87461, 174922, 437305, 707639, 874610, 1415278, 3538195, 7076390, 7784029, 15568058, 38920145, 77840290]

約数ペア:

[(1, 77840290), (2, 38920145), (5, 15568058), (10, 7784029), (11, 7076390), (22, 3538195), (55, 1415278), (89, 874610), (110, 707639), (178, 437305), (445, 174922), (890, 87461), (979, 79510), (1958, 39755), (4895, 15902), (7951, 9790)]