157691000

素因数分解:

$2^3\times 5^3\times {\mathrm{71}}^1\times {\mathrm{2221}}^1$

素因数の和:2313

約数の個数: 64

約数和(自身を含む): 374362560

約数和(自身を除く): 216671560

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 125, 142, 200, 250, 284, 355, 500, 568, 710, 1000, 1420, 1775, 2221, 2840, 3550, 4442, 7100, 8875, 8884, 11105, 14200, 17750, 17768, 22210, 35500, 44420, 55525, 71000, 88840, 111050, 157691, 222100, 277625, 315382, 444200, 555250, 630764, 788455, 1110500, 1261528, 1576910, 2221000, 3153820, 3942275, 6307640, 7884550, 15769100, 19711375, 31538200, 39422750, 78845500, 157691000]

約数ペア:

[(1, 157691000), (2, 78845500), (4, 39422750), (5, 31538200), (8, 19711375), (10, 15769100), (20, 7884550), (25, 6307640), (40, 3942275), (50, 3153820), (71, 2221000), (100, 1576910), (125, 1261528), (142, 1110500), (200, 788455), (250, 630764), (284, 555250), (355, 444200), (500, 315382), (568, 277625), (710, 222100), (1000, 157691), (1420, 111050), (1775, 88840), (2221, 71000), (2840, 55525), (3550, 44420), (4442, 35500), (7100, 22210), (8875, 17768), (8884, 17750), (11105, 14200)]