1020409516

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8839}}^1$

素因数の和:8907

約数の個数: 72

約数和(自身を含む): 2257382400

約数和(自身を除く): 1236972884

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 49, 62, 76, 98, 124, 133, 196, 217, 266, 434, 532, 589, 868, 931, 1178, 1519, 1862, 2356, 3038, 3724, 4123, 6076, 8246, 8839, 16492, 17678, 28861, 35356, 57722, 61873, 115444, 123746, 167941, 247492, 274009, 335882, 433111, 548018, 671764, 866222, 1096036, 1175587, 1732444, 1918063, 2351174, 3836126, 4702348, 5206171, 7672252, 8229109, 10412342, 13426441, 16458218, 20824684, 26852882, 32916436, 36443197, 53705764, 72886394, 145772788, 255102379, 510204758, 1020409516]

約数ペア:

[(1, 1020409516), (2, 510204758), (4, 255102379), (7, 145772788), (14, 72886394), (19, 53705764), (28, 36443197), (31, 32916436), (38, 26852882), (49, 20824684), (62, 16458218), (76, 13426441), (98, 10412342), (124, 8229109), (133, 7672252), (196, 5206171), (217, 4702348), (266, 3836126), (434, 2351174), (532, 1918063), (589, 1732444), (868, 1175587), (931, 1096036), (1178, 866222), (1519, 671764), (1862, 548018), (2356, 433111), (3038, 335882), (3724, 274009), (4123, 247492), (6076, 167941), (8246, 123746), (8839, 115444), (16492, 61873), (17678, 57722), (28861, 35356)]