201784840

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{313}}^1$

素因数の和:622

約数の個数: 64

約数和(自身を含む): 463916160

約数和(自身を除く): 262131320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 227, 284, 313, 355, 454, 568, 626, 710, 908, 1135, 1252, 1420, 1565, 1816, 2270, 2504, 2840, 3130, 4540, 6260, 9080, 12520, 16117, 22223, 32234, 44446, 64468, 71051, 80585, 88892, 111115, 128936, 142102, 161170, 177784, 222230, 284204, 322340, 355255, 444460, 568408, 644680, 710510, 888920, 1421020, 2842040, 5044621, 10089242, 20178484, 25223105, 40356968, 50446210, 100892420, 201784840]

約数ペア:

[(1, 201784840), (2, 100892420), (4, 50446210), (5, 40356968), (8, 25223105), (10, 20178484), (20, 10089242), (40, 5044621), (71, 2842040), (142, 1421020), (227, 888920), (284, 710510), (313, 644680), (355, 568408), (454, 444460), (568, 355255), (626, 322340), (710, 284204), (908, 222230), (1135, 177784), (1252, 161170), (1420, 142102), (1565, 128936), (1816, 111115), (2270, 88892), (2504, 80585), (2840, 71051), (3130, 64468), (4540, 44446), (6260, 32234), (9080, 22223), (12520, 16117)]