204878710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{271}}^1$

素因数の和:493

約数の個数: 64

約数和(自身を含む): 408913920

約数和(自身を除く): 204035210

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 173, 190, 230, 271, 346, 437, 542, 865, 874, 1355, 1730, 2185, 2710, 3287, 3979, 4370, 5149, 6233, 6574, 7958, 10298, 12466, 16435, 19895, 25745, 31165, 32870, 39790, 46883, 51490, 62330, 75601, 93766, 118427, 151202, 234415, 236854, 378005, 468830, 592135, 756010, 890777, 1078309, 1184270, 1781554, 2156618, 4453885, 5391545, 8907770, 10783090, 20487871, 40975742, 102439355, 204878710]

約数ペア:

[(1, 204878710), (2, 102439355), (5, 40975742), (10, 20487871), (19, 10783090), (23, 8907770), (38, 5391545), (46, 4453885), (95, 2156618), (115, 1781554), (173, 1184270), (190, 1078309), (230, 890777), (271, 756010), (346, 592135), (437, 468830), (542, 378005), (865, 236854), (874, 234415), (1355, 151202), (1730, 118427), (2185, 93766), (2710, 75601), (3287, 62330), (3979, 51490), (4370, 46883), (5149, 39790), (6233, 32870), (6574, 31165), (7958, 25745), (10298, 19895), (12466, 16435)]