2127953620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{221201}}^1$

素因数の和:221260

約数の個数: 48

約数和(自身を含む): 4942537488

約数和(自身を除く): 2814583868

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 9620, 221201, 442402, 884804, 1106005, 2212010, 2875613, 4424020, 5751226, 8184437, 11502452, 14378065, 16368874, 28756130, 32737748, 40922185, 57512260, 81844370, 106397681, 163688740, 212795362, 425590724, 531988405, 1063976810, 2127953620]

約数ペア:

[(1, 2127953620), (2, 1063976810), (4, 531988405), (5, 425590724), (10, 212795362), (13, 163688740), (20, 106397681), (26, 81844370), (37, 57512260), (52, 40922185), (65, 32737748), (74, 28756130), (130, 16368874), (148, 14378065), (185, 11502452), (260, 8184437), (370, 5751226), (481, 4424020), (740, 2875613), (962, 2212010), (1924, 1106005), (2405, 884804), (4810, 442402), (9620, 221201)]