74940940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^2$

素因数の和:203

約数の個数: 72

約数和(自身を含む): 171596880

約数和(自身を除く): 96655940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 61, 76, 95, 106, 122, 190, 212, 244, 265, 305, 380, 530, 610, 1007, 1060, 1159, 1220, 2014, 2318, 3233, 3721, 4028, 4636, 5035, 5795, 6466, 7442, 10070, 11590, 12932, 14884, 16165, 18605, 20140, 23180, 32330, 37210, 61427, 64660, 70699, 74420, 122854, 141398, 197213, 245708, 282796, 307135, 353495, 394426, 614270, 706990, 788852, 986065, 1228540, 1413980, 1972130, 3747047, 3944260, 7494094, 14988188, 18735235, 37470470, 74940940]

約数ペア:

[(1, 74940940), (2, 37470470), (4, 18735235), (5, 14988188), (10, 7494094), (19, 3944260), (20, 3747047), (38, 1972130), (53, 1413980), (61, 1228540), (76, 986065), (95, 788852), (106, 706990), (122, 614270), (190, 394426), (212, 353495), (244, 307135), (265, 282796), (305, 245708), (380, 197213), (530, 141398), (610, 122854), (1007, 74420), (1060, 70699), (1159, 64660), (1220, 61427), (2014, 37210), (2318, 32330), (3233, 23180), (3721, 20140), (4028, 18605), (4636, 16165), (5035, 14884), (5795, 12932), (6466, 11590), (7442, 10070)]