157080550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{3209}}^1$

素因数の和:3321

約数の個数: 48

約数和(自身を含む): 322412400

約数和(自身を除く): 165331850

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 89, 110, 178, 275, 445, 550, 890, 979, 1958, 2225, 3209, 4450, 4895, 6418, 9790, 16045, 24475, 32090, 35299, 48950, 70598, 80225, 160450, 176495, 285601, 352990, 571202, 882475, 1428005, 1764950, 2856010, 3141611, 6283222, 7140025, 14280050, 15708055, 31416110, 78540275, 157080550]

約数ペア:

[(1, 157080550), (2, 78540275), (5, 31416110), (10, 15708055), (11, 14280050), (22, 7140025), (25, 6283222), (50, 3141611), (55, 2856010), (89, 1764950), (110, 1428005), (178, 882475), (275, 571202), (445, 352990), (550, 285601), (890, 176495), (979, 160450), (1958, 80225), (2225, 70598), (3209, 48950), (4450, 35299), (4895, 32090), (6418, 24475), (9790, 16045)]