440890060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2879}}^1$

素因数の和:2951

約数の個数: 96

約数和(自身を含む): 1083801600

約数和(自身を除く): 642911540

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 31, 38, 52, 62, 65, 76, 95, 124, 130, 155, 190, 247, 260, 310, 380, 403, 494, 589, 620, 806, 988, 1178, 1235, 1612, 2015, 2356, 2470, 2879, 2945, 4030, 4940, 5758, 5890, 7657, 8060, 11516, 11780, 14395, 15314, 28790, 30628, 37427, 38285, 54701, 57580, 74854, 76570, 89249, 109402, 149708, 153140, 178498, 187135, 218804, 273505, 356996, 374270, 446245, 547010, 711113, 748540, 892490, 1094020, 1160237, 1422226, 1695731, 1784980, 2320474, 2844452, 3391462, 3555565, 4640948, 5801185, 6782924, 7111130, 8478655, 11602370, 14222260, 16957310, 22044503, 23204740, 33914620, 44089006, 88178012, 110222515, 220445030, 440890060]

約数ペア:

[(1, 440890060), (2, 220445030), (4, 110222515), (5, 88178012), (10, 44089006), (13, 33914620), (19, 23204740), (20, 22044503), (26, 16957310), (31, 14222260), (38, 11602370), (52, 8478655), (62, 7111130), (65, 6782924), (76, 5801185), (95, 4640948), (124, 3555565), (130, 3391462), (155, 2844452), (190, 2320474), (247, 1784980), (260, 1695731), (310, 1422226), (380, 1160237), (403, 1094020), (494, 892490), (589, 748540), (620, 711113), (806, 547010), (988, 446245), (1178, 374270), (1235, 356996), (1612, 273505), (2015, 218804), (2356, 187135), (2470, 178498), (2879, 153140), (2945, 149708), (4030, 109402), (4940, 89249), (5758, 76570), (5890, 74854), (7657, 57580), (8060, 54701), (11516, 38285), (11780, 37427), (14395, 30628), (15314, 28790)]