680903470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{1009}}^1$

素因数の和:1237

約数の個数: 64

約数和(自身を含む): 1374408000

約数和(自身を除く): 693504530

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 179, 290, 358, 377, 754, 895, 1009, 1790, 1885, 2018, 2327, 3770, 4654, 5045, 5191, 10090, 10382, 11635, 13117, 23270, 25955, 26234, 29261, 51910, 58522, 65585, 67483, 131170, 134966, 146305, 180611, 292610, 337415, 361222, 380393, 674830, 760786, 903055, 1806110, 1901965, 2347943, 3803930, 4695886, 5237719, 10475438, 11739715, 23479430, 26188595, 52377190, 68090347, 136180694, 340451735, 680903470]

約数ペア:

[(1, 680903470), (2, 340451735), (5, 136180694), (10, 68090347), (13, 52377190), (26, 26188595), (29, 23479430), (58, 11739715), (65, 10475438), (130, 5237719), (145, 4695886), (179, 3803930), (290, 2347943), (358, 1901965), (377, 1806110), (754, 903055), (895, 760786), (1009, 674830), (1790, 380393), (1885, 361222), (2018, 337415), (2327, 292610), (3770, 180611), (4654, 146305), (5045, 134966), (5191, 131170), (10090, 67483), (10382, 65585), (11635, 58522), (13117, 51910), (23270, 29261), (25955, 26234)]