1489062500

素因数分解:

$2^2\times 5^8\times {\mathrm{953}}^1$

素因数の和:997

約数の個数: 54

約数和(自身を含む): 3260740518

約数和(自身を除く): 1771678018

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 953, 1250, 1906, 2500, 3125, 3812, 4765, 6250, 9530, 12500, 15625, 19060, 23825, 31250, 47650, 62500, 78125, 95300, 119125, 156250, 238250, 312500, 390625, 476500, 595625, 781250, 1191250, 1562500, 2382500, 2978125, 5956250, 11912500, 14890625, 29781250, 59562500, 74453125, 148906250, 297812500, 372265625, 744531250, 1489062500]

約数ペア:

[(1, 1489062500), (2, 744531250), (4, 372265625), (5, 297812500), (10, 148906250), (20, 74453125), (25, 59562500), (50, 29781250), (100, 14890625), (125, 11912500), (250, 5956250), (500, 2978125), (625, 2382500), (953, 1562500), (1250, 1191250), (1906, 781250), (2500, 595625), (3125, 476500), (3812, 390625), (4765, 312500), (6250, 238250), (9530, 156250), (12500, 119125), (15625, 95300), (19060, 78125), (23825, 62500), (31250, 47650)]