977971390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{19801}}^1$

素因数の和:20268

約数の個数: 32

約数和(自身を含む): 1924754400

約数和(自身を除く): 946783010

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 449, 898, 2245, 4490, 4939, 9878, 19801, 24695, 39602, 49390, 99005, 198010, 217811, 435622, 1089055, 2178110, 8890649, 17781298, 44453245, 88906490, 97797139, 195594278, 488985695, 977971390]

約数ペア:

[(1, 977971390), (2, 488985695), (5, 195594278), (10, 97797139), (11, 88906490), (22, 44453245), (55, 17781298), (110, 8890649), (449, 2178110), (898, 1089055), (2245, 435622), (4490, 217811), (4939, 198010), (9878, 99005), (19801, 49390), (24695, 39602)]