156968212900

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1009}}^1\times {\mathrm{21911}}^1$

素因数の和:23005

約数の個数: 72

約数和(自身を含む): 345776618880

約数和(自身を除く): 188808405980

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1009, 1420, 1775, 2018, 3550, 4036, 5045, 7100, 10090, 20180, 21911, 25225, 43822, 50450, 71639, 87644, 100900, 109555, 143278, 219110, 286556, 358195, 438220, 547775, 716390, 1095550, 1432780, 1555681, 1790975, 2191100, 3111362, 3581950, 6222724, 7163900, 7778405, 15556810, 22108199, 31113620, 38892025, 44216398, 77784050, 88432796, 110540995, 155568100, 221081990, 442163980, 552704975, 1105409950, 1569682129, 2210819900, 3139364258, 6278728516, 7848410645, 15696821290, 31393642580, 39242053225, 78484106450, 156968212900]

約数ペア:

[(1, 156968212900), (2, 78484106450), (4, 39242053225), (5, 31393642580), (10, 15696821290), (20, 7848410645), (25, 6278728516), (50, 3139364258), (71, 2210819900), (100, 1569682129), (142, 1105409950), (284, 552704975), (355, 442163980), (710, 221081990), (1009, 155568100), (1420, 110540995), (1775, 88432796), (2018, 77784050), (3550, 44216398), (4036, 38892025), (5045, 31113620), (7100, 22108199), (10090, 15556810), (20180, 7778405), (21911, 7163900), (25225, 6222724), (43822, 3581950), (50450, 3111362), (71639, 2191100), (87644, 1790975), (100900, 1555681), (109555, 1432780), (143278, 1095550), (219110, 716390), (286556, 547775), (358195, 438220)]