461500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:103

約数の個数: 48

約数和(自身を含む): 1100736

約数和(自身を除く): 639236

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 71, 100, 125, 130, 142, 250, 260, 284, 325, 355, 500, 650, 710, 923, 1300, 1420, 1625, 1775, 1846, 3250, 3550, 3692, 4615, 6500, 7100, 8875, 9230, 17750, 18460, 23075, 35500, 46150, 92300, 115375, 230750, 461500]

約数ペア:

[(1, 461500), (2, 230750), (4, 115375), (5, 92300), (10, 46150), (13, 35500), (20, 23075), (25, 18460), (26, 17750), (50, 9230), (52, 8875), (65, 7100), (71, 6500), (100, 4615), (125, 3692), (130, 3550), (142, 3250), (250, 1846), (260, 1775), (284, 1625), (325, 1420), (355, 1300), (500, 923), (650, 710)]