156972860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{8017}}^1$

素因数の和:8126

約数の個数: 48

約数和(自身を含む): 363696480

約数和(自身を除く): 206723620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 3916, 4895, 8017, 9790, 16034, 19580, 32068, 40085, 80170, 88187, 160340, 176374, 352748, 440935, 713513, 881870, 1427026, 1763740, 2854052, 3567565, 7135130, 7848643, 14270260, 15697286, 31394572, 39243215, 78486430, 156972860]

約数ペア:

[(1, 156972860), (2, 78486430), (4, 39243215), (5, 31394572), (10, 15697286), (11, 14270260), (20, 7848643), (22, 7135130), (44, 3567565), (55, 2854052), (89, 1763740), (110, 1427026), (178, 881870), (220, 713513), (356, 440935), (445, 352748), (890, 176374), (979, 160340), (1780, 88187), (1958, 80170), (3916, 40085), (4895, 32068), (8017, 19580), (9790, 16034)]