201399400

素因数分解:

$2^3\times 5^2\times {\mathrm{131}}^1\times {\mathrm{7687}}^1$

素因数の和:7834

約数の個数: 48

約数和(自身を含む): 471889440

約数和(自身を除く): 270490040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 131, 200, 262, 524, 655, 1048, 1310, 2620, 3275, 5240, 6550, 7687, 13100, 15374, 26200, 30748, 38435, 61496, 76870, 153740, 192175, 307480, 384350, 768700, 1006997, 1537400, 2013994, 4027988, 5034985, 8055976, 10069970, 20139940, 25174925, 40279880, 50349850, 100699700, 201399400]

約数ペア:

[(1, 201399400), (2, 100699700), (4, 50349850), (5, 40279880), (8, 25174925), (10, 20139940), (20, 10069970), (25, 8055976), (40, 5034985), (50, 4027988), (100, 2013994), (131, 1537400), (200, 1006997), (262, 768700), (524, 384350), (655, 307480), (1048, 192175), (1310, 153740), (2620, 76870), (3275, 61496), (5240, 38435), (6550, 30748), (7687, 26200), (13100, 15374)]