66557900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{389}}^1$

素因数の和:491

約数の個数: 72

約数和(自身を含む): 152334000

約数和(自身を除く): 85776100

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 59, 100, 116, 118, 145, 236, 290, 295, 389, 580, 590, 725, 778, 1180, 1450, 1475, 1556, 1711, 1945, 2900, 2950, 3422, 3890, 5900, 6844, 7780, 8555, 9725, 11281, 17110, 19450, 22562, 22951, 34220, 38900, 42775, 45124, 45902, 56405, 85550, 91804, 112810, 114755, 171100, 225620, 229510, 282025, 459020, 564050, 573775, 665579, 1128100, 1147550, 1331158, 2295100, 2662316, 3327895, 6655790, 13311580, 16639475, 33278950, 66557900]

約数ペア:

[(1, 66557900), (2, 33278950), (4, 16639475), (5, 13311580), (10, 6655790), (20, 3327895), (25, 2662316), (29, 2295100), (50, 1331158), (58, 1147550), (59, 1128100), (100, 665579), (116, 573775), (118, 564050), (145, 459020), (236, 282025), (290, 229510), (295, 225620), (389, 171100), (580, 114755), (590, 112810), (725, 91804), (778, 85550), (1180, 56405), (1450, 45902), (1475, 45124), (1556, 42775), (1711, 38900), (1945, 34220), (2900, 22951), (2950, 22562), (3422, 19450), (3890, 17110), (5900, 11281), (6844, 9725), (7780, 8555)]