28501687580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1229581}}^1$

素因数の和:1229670

約数の個数: 48

約数和(自身を含む): 64036630560

約数和(自身を除く): 35534942980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 380, 610, 1159, 1220, 2318, 4636, 5795, 11590, 23180, 1229581, 2459162, 4918324, 6147905, 12295810, 23362039, 24591620, 46724078, 75004441, 93448156, 116810195, 150008882, 233620390, 300017764, 375022205, 467240780, 750044410, 1425084379, 1500088820, 2850168758, 5700337516, 7125421895, 14250843790, 28501687580]

約数ペア:

[(1, 28501687580), (2, 14250843790), (4, 7125421895), (5, 5700337516), (10, 2850168758), (19, 1500088820), (20, 1425084379), (38, 750044410), (61, 467240780), (76, 375022205), (95, 300017764), (122, 233620390), (190, 150008882), (244, 116810195), (305, 93448156), (380, 75004441), (610, 46724078), (1159, 24591620), (1220, 23362039), (2318, 12295810), (4636, 6147905), (5795, 4918324), (11590, 2459162), (23180, 1229581)]