77898260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{883}}^1$

素因数の和:1304

約数の個数: 48

約数和(自身を含む): 179105472

約数和(自身を除く): 101207212

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 401, 802, 883, 1604, 1766, 2005, 3532, 4010, 4411, 4415, 8020, 8822, 8830, 9713, 17644, 17660, 19426, 22055, 38852, 44110, 48565, 88220, 97130, 194260, 354083, 708166, 1416332, 1770415, 3540830, 3894913, 7081660, 7789826, 15579652, 19474565, 38949130, 77898260]

約数ペア:

[(1, 77898260), (2, 38949130), (4, 19474565), (5, 15579652), (10, 7789826), (11, 7081660), (20, 3894913), (22, 3540830), (44, 1770415), (55, 1416332), (110, 708166), (220, 354083), (401, 194260), (802, 97130), (883, 88220), (1604, 48565), (1766, 44110), (2005, 38852), (3532, 22055), (4010, 19426), (4411, 17660), (4415, 17644), (8020, 9713), (8822, 8830)]