189065900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{859}}^1$

素因数の和:975

約数の個数: 72

約数和(自身を含む): 429972480

約数和(自身を除く): 240906580

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 71, 100, 124, 142, 155, 284, 310, 355, 620, 710, 775, 859, 1420, 1550, 1718, 1775, 2201, 3100, 3436, 3550, 4295, 4402, 7100, 8590, 8804, 11005, 17180, 21475, 22010, 26629, 42950, 44020, 53258, 55025, 60989, 85900, 106516, 110050, 121978, 133145, 220100, 243956, 266290, 304945, 532580, 609890, 665725, 1219780, 1331450, 1524725, 1890659, 2662900, 3049450, 3781318, 6098900, 7562636, 9453295, 18906590, 37813180, 47266475, 94532950, 189065900]

約数ペア:

[(1, 189065900), (2, 94532950), (4, 47266475), (5, 37813180), (10, 18906590), (20, 9453295), (25, 7562636), (31, 6098900), (50, 3781318), (62, 3049450), (71, 2662900), (100, 1890659), (124, 1524725), (142, 1331450), (155, 1219780), (284, 665725), (310, 609890), (355, 532580), (620, 304945), (710, 266290), (775, 243956), (859, 220100), (1420, 133145), (1550, 121978), (1718, 110050), (1775, 106516), (2201, 85900), (3100, 60989), (3436, 55025), (3550, 53258), (4295, 44020), (4402, 42950), (7100, 26629), (8590, 22010), (8804, 21475), (11005, 17180)]