1291036202420

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{2129}}^1\times {\mathrm{68443}}^1$

素因数の和:71024

約数の個数: 48

約数和(自身を含む): 2718612106560

約数和(自身を除く): 1427575904140

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2129, 2215, 4258, 4430, 8516, 8860, 10645, 21290, 42580, 68443, 136886, 273772, 342215, 684430, 943147, 1368860, 1886294, 3772588, 4715735, 9431470, 18862940, 30320249, 60640498, 121280996, 145715147, 151601245, 291430294, 303202490, 582860588, 606404980, 728575735, 1457151470, 2914302940, 64551810121, 129103620242, 258207240484, 322759050605, 645518101210, 1291036202420]

約数ペア:

[(1, 1291036202420), (2, 645518101210), (4, 322759050605), (5, 258207240484), (10, 129103620242), (20, 64551810121), (443, 2914302940), (886, 1457151470), (1772, 728575735), (2129, 606404980), (2215, 582860588), (4258, 303202490), (4430, 291430294), (8516, 151601245), (8860, 145715147), (10645, 121280996), (21290, 60640498), (42580, 30320249), (68443, 18862940), (136886, 9431470), (273772, 4715735), (342215, 3772588), (684430, 1886294), (943147, 1368860)]