202120820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^4$

素因数の和:99

約数の個数: 90

約数和(自身を含む): 495707226

約数和(自身を除く): 293586406

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 121, 170, 187, 220, 242, 289, 340, 374, 484, 578, 605, 748, 935, 1156, 1210, 1445, 1870, 2057, 2420, 2890, 3179, 3740, 4114, 4913, 5780, 6358, 8228, 9826, 10285, 12716, 15895, 19652, 20570, 24565, 31790, 34969, 41140, 49130, 54043, 63580, 69938, 83521, 98260, 108086, 139876, 167042, 174845, 216172, 270215, 334084, 349690, 417605, 540430, 594473, 699380, 835210, 918731, 1080860, 1188946, 1670420, 1837462, 2377892, 2972365, 3674924, 4593655, 5944730, 9187310, 10106041, 11889460, 18374620, 20212082, 40424164, 50530205, 101060410, 202120820]

約数ペア:

[(1, 202120820), (2, 101060410), (4, 50530205), (5, 40424164), (10, 20212082), (11, 18374620), (17, 11889460), (20, 10106041), (22, 9187310), (34, 5944730), (44, 4593655), (55, 3674924), (68, 2972365), (85, 2377892), (110, 1837462), (121, 1670420), (170, 1188946), (187, 1080860), (220, 918731), (242, 835210), (289, 699380), (340, 594473), (374, 540430), (484, 417605), (578, 349690), (605, 334084), (748, 270215), (935, 216172), (1156, 174845), (1210, 167042), (1445, 139876), (1870, 108086), (2057, 98260), (2420, 83521), (2890, 69938), (3179, 63580), (3740, 54043), (4114, 49130), (4913, 41140), (5780, 34969), (6358, 31790), (8228, 24565), (9826, 20570), (10285, 19652), (12716, 15895)]