72474100

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{109}}^2$

素因数の和:293

約数の個数: 54

約数和(自身を含む): 161326914

約数和(自身を除く): 88852814

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 109, 122, 218, 244, 305, 436, 545, 610, 1090, 1220, 1525, 2180, 2725, 3050, 5450, 6100, 6649, 10900, 11881, 13298, 23762, 26596, 33245, 47524, 59405, 66490, 118810, 132980, 166225, 237620, 297025, 332450, 594050, 664900, 724741, 1188100, 1449482, 2898964, 3623705, 7247410, 14494820, 18118525, 36237050, 72474100]

約数ペア:

[(1, 72474100), (2, 36237050), (4, 18118525), (5, 14494820), (10, 7247410), (20, 3623705), (25, 2898964), (50, 1449482), (61, 1188100), (100, 724741), (109, 664900), (122, 594050), (218, 332450), (244, 297025), (305, 237620), (436, 166225), (545, 132980), (610, 118810), (1090, 66490), (1220, 59405), (1525, 47524), (2180, 33245), (2725, 26596), (3050, 23762), (5450, 13298), (6100, 11881), (6649, 10900)]