3139000

素因数分解:

$2^3\times 5^3\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:137

約数の個数: 64

約数和(自身を含む): 7619040

約数和(自身を除く): 4480040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 73, 86, 100, 125, 146, 172, 200, 215, 250, 292, 344, 365, 430, 500, 584, 730, 860, 1000, 1075, 1460, 1720, 1825, 2150, 2920, 3139, 3650, 4300, 5375, 6278, 7300, 8600, 9125, 10750, 12556, 14600, 15695, 18250, 21500, 25112, 31390, 36500, 43000, 62780, 73000, 78475, 125560, 156950, 313900, 392375, 627800, 784750, 1569500, 3139000]

約数ペア:

[(1, 3139000), (2, 1569500), (4, 784750), (5, 627800), (8, 392375), (10, 313900), (20, 156950), (25, 125560), (40, 78475), (43, 73000), (50, 62780), (73, 43000), (86, 36500), (100, 31390), (125, 25112), (146, 21500), (172, 18250), (200, 15695), (215, 14600), (250, 12556), (292, 10750), (344, 9125), (365, 8600), (430, 7300), (500, 6278), (584, 5375), (730, 4300), (860, 3650), (1000, 3139), (1075, 2920), (1460, 2150), (1720, 1825)]