254570690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{3449}}^1$

素因数の和:3539

約数の個数: 48

約数和(自身を含む): 512076600

約数和(自身を除く): 257505910

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 121, 122, 242, 305, 605, 610, 671, 1210, 1342, 3355, 3449, 6710, 6898, 7381, 14762, 17245, 34490, 36905, 37939, 73810, 75878, 189695, 210389, 379390, 417329, 420778, 834658, 1051945, 2086645, 2103890, 2314279, 4173290, 4628558, 11571395, 23142790, 25457069, 50914138, 127285345, 254570690]

約数ペア:

[(1, 254570690), (2, 127285345), (5, 50914138), (10, 25457069), (11, 23142790), (22, 11571395), (55, 4628558), (61, 4173290), (110, 2314279), (121, 2103890), (122, 2086645), (242, 1051945), (305, 834658), (605, 420778), (610, 417329), (671, 379390), (1210, 210389), (1342, 189695), (3355, 75878), (3449, 73810), (6710, 37939), (6898, 36905), (7381, 34490), (14762, 17245)]