445400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 1104840

約数和(自身を除く): 659440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 131, 136, 170, 200, 262, 340, 425, 524, 655, 680, 850, 1048, 1310, 1700, 2227, 2620, 3275, 3400, 4454, 5240, 6550, 8908, 11135, 13100, 17816, 22270, 26200, 44540, 55675, 89080, 111350, 222700, 445400]

約数ペア:

[(1, 445400), (2, 222700), (4, 111350), (5, 89080), (8, 55675), (10, 44540), (17, 26200), (20, 22270), (25, 17816), (34, 13100), (40, 11135), (50, 8908), (68, 6550), (85, 5240), (100, 4454), (131, 3400), (136, 3275), (170, 2620), (200, 2227), (262, 1700), (340, 1310), (425, 1048), (524, 850), (655, 680)]