31050500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1$

素因数の和:330

約数の個数: 96

約数和(自身を含む): 77601888

約数和(自身を除く): 46551388

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, 281, 325, 340, 425, 442, 500, 562, 650, 850, 884, 1105, 1124, 1300, 1405, 1625, 1700, 2125, 2210, 2810, 3250, 3653, 4250, 4420, 4777, 5525, 5620, 6500, 7025, 7306, 8500, 9554, 11050, 14050, 14612, 18265, 19108, 22100, 23885, 27625, 28100, 35125, 36530, 47770, 55250, 62101, 70250, 73060, 91325, 95540, 110500, 119425, 124202, 140500, 182650, 238850, 248404, 310505, 365300, 456625, 477700, 597125, 621010, 913250, 1194250, 1242020, 1552525, 1826500, 2388500, 3105050, 6210100, 7762625, 15525250, 31050500]

約数ペア:

[(1, 31050500), (2, 15525250), (4, 7762625), (5, 6210100), (10, 3105050), (13, 2388500), (17, 1826500), (20, 1552525), (25, 1242020), (26, 1194250), (34, 913250), (50, 621010), (52, 597125), (65, 477700), (68, 456625), (85, 365300), (100, 310505), (125, 248404), (130, 238850), (170, 182650), (221, 140500), (250, 124202), (260, 119425), (281, 110500), (325, 95540), (340, 91325), (425, 73060), (442, 70250), (500, 62101), (562, 55250), (650, 47770), (850, 36530), (884, 35125), (1105, 28100), (1124, 27625), (1300, 23885), (1405, 22100), (1625, 19108), (1700, 18265), (2125, 14612), (2210, 14050), (2810, 11050), (3250, 9554), (3653, 8500), (4250, 7306), (4420, 7025), (4777, 6500), (5525, 5620)]