142355000

素因数分解:

$2^3\times 5^4\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:498

約数の個数: 80

約数和(自身を含む): 339078960

約数和(自身を除く): 196723960

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 125, 142, 200, 250, 284, 355, 401, 500, 568, 625, 710, 802, 1000, 1250, 1420, 1604, 1775, 2005, 2500, 2840, 3208, 3550, 4010, 5000, 7100, 8020, 8875, 10025, 14200, 16040, 17750, 20050, 28471, 35500, 40100, 44375, 50125, 56942, 71000, 80200, 88750, 100250, 113884, 142355, 177500, 200500, 227768, 250625, 284710, 355000, 401000, 501250, 569420, 711775, 1002500, 1138840, 1423550, 2005000, 2847100, 3558875, 5694200, 7117750, 14235500, 17794375, 28471000, 35588750, 71177500, 142355000]

約数ペア:

[(1, 142355000), (2, 71177500), (4, 35588750), (5, 28471000), (8, 17794375), (10, 14235500), (20, 7117750), (25, 5694200), (40, 3558875), (50, 2847100), (71, 2005000), (100, 1423550), (125, 1138840), (142, 1002500), (200, 711775), (250, 569420), (284, 501250), (355, 401000), (401, 355000), (500, 284710), (568, 250625), (625, 227768), (710, 200500), (802, 177500), (1000, 142355), (1250, 113884), (1420, 100250), (1604, 88750), (1775, 80200), (2005, 71000), (2500, 56942), (2840, 50125), (3208, 44375), (3550, 40100), (4010, 35500), (5000, 28471), (7100, 20050), (8020, 17750), (8875, 16040), (10025, 14200)]