552500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:54

約数の個数: 60

約数和(自身を含む): 1377684

約数和(自身を除く): 825184

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 100, 125, 130, 170, 221, 250, 260, 325, 340, 425, 442, 500, 625, 650, 850, 884, 1105, 1250, 1300, 1625, 1700, 2125, 2210, 2500, 3250, 4250, 4420, 5525, 6500, 8125, 8500, 10625, 11050, 16250, 21250, 22100, 27625, 32500, 42500, 55250, 110500, 138125, 276250, 552500]

約数ペア:

[(1, 552500), (2, 276250), (4, 138125), (5, 110500), (10, 55250), (13, 42500), (17, 32500), (20, 27625), (25, 22100), (26, 21250), (34, 16250), (50, 11050), (52, 10625), (65, 8500), (68, 8125), (85, 6500), (100, 5525), (125, 4420), (130, 4250), (170, 3250), (221, 2500), (250, 2210), (260, 2125), (325, 1700), (340, 1625), (425, 1300), (442, 1250), (500, 1105), (625, 884), (650, 850)]