287300

素因数分解:

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

素因数の和:57

約数の個数: 54

約数和(自身を含む): 714798

約数和(自身を除く): 427498

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 100, 130, 169, 170, 221, 260, 325, 338, 340, 425, 442, 650, 676, 845, 850, 884, 1105, 1300, 1690, 1700, 2210, 2873, 3380, 4225, 4420, 5525, 5746, 8450, 11050, 11492, 14365, 16900, 22100, 28730, 57460, 71825, 143650, 287300]

約数ペア:

[(1, 287300), (2, 143650), (4, 71825), (5, 57460), (10, 28730), (13, 22100), (17, 16900), (20, 14365), (25, 11492), (26, 11050), (34, 8450), (50, 5746), (52, 5525), (65, 4420), (68, 4225), (85, 3380), (100, 2873), (130, 2210), (169, 1700), (170, 1690), (221, 1300), (260, 1105), (325, 884), (338, 850), (340, 845), (425, 676), (442, 650)]