202247980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{3181}}^1$

素因数の和:3235

約数の個数: 72

約数和(自身を含む): 492344496

約数和(自身を除く): 290096516

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 289, 340, 374, 578, 748, 935, 1156, 1445, 1870, 2890, 3179, 3181, 3740, 5780, 6358, 6362, 12716, 12724, 15895, 15905, 31790, 31810, 34991, 54077, 63580, 63620, 69982, 108154, 139964, 174955, 216308, 270385, 349910, 540770, 594847, 699820, 919309, 1081540, 1189694, 1838618, 2379388, 2974235, 3677236, 4596545, 5948470, 9193090, 10112399, 11896940, 18386180, 20224798, 40449596, 50561995, 101123990, 202247980]

約数ペア:

[(1, 202247980), (2, 101123990), (4, 50561995), (5, 40449596), (10, 20224798), (11, 18386180), (17, 11896940), (20, 10112399), (22, 9193090), (34, 5948470), (44, 4596545), (55, 3677236), (68, 2974235), (85, 2379388), (110, 1838618), (170, 1189694), (187, 1081540), (220, 919309), (289, 699820), (340, 594847), (374, 540770), (578, 349910), (748, 270385), (935, 216308), (1156, 174955), (1445, 139964), (1870, 108154), (2890, 69982), (3179, 63620), (3181, 63580), (3740, 54077), (5780, 34991), (6358, 31810), (6362, 31790), (12716, 15905), (12724, 15895)]