201531100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1453}}^1$

素因数の和:1559

約数の個数: 72

約数和(自身を含む): 466966640

約数和(自身を除く): 265435540

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 73, 76, 95, 100, 146, 190, 292, 365, 380, 475, 730, 950, 1387, 1453, 1460, 1825, 1900, 2774, 2906, 3650, 5548, 5812, 6935, 7265, 7300, 13870, 14530, 27607, 27740, 29060, 34675, 36325, 55214, 69350, 72650, 106069, 110428, 138035, 138700, 145300, 212138, 276070, 424276, 530345, 552140, 690175, 1060690, 1380350, 2015311, 2121380, 2651725, 2760700, 4030622, 5303450, 8061244, 10076555, 10606900, 20153110, 40306220, 50382775, 100765550, 201531100]

約数ペア:

[(1, 201531100), (2, 100765550), (4, 50382775), (5, 40306220), (10, 20153110), (19, 10606900), (20, 10076555), (25, 8061244), (38, 5303450), (50, 4030622), (73, 2760700), (76, 2651725), (95, 2121380), (100, 2015311), (146, 1380350), (190, 1060690), (292, 690175), (365, 552140), (380, 530345), (475, 424276), (730, 276070), (950, 212138), (1387, 145300), (1453, 138700), (1460, 138035), (1825, 110428), (1900, 106069), (2774, 72650), (2906, 69350), (3650, 55214), (5548, 36325), (5812, 34675), (6935, 29060), (7265, 27740), (7300, 27607), (13870, 14530)]