890800

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:166

約数の個数: 60

約数和(自身を含む): 2283336

約数和(自身を除く): 1392536

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 131, 136, 170, 200, 262, 272, 340, 400, 425, 524, 655, 680, 850, 1048, 1310, 1360, 1700, 2096, 2227, 2620, 3275, 3400, 4454, 5240, 6550, 6800, 8908, 10480, 11135, 13100, 17816, 22270, 26200, 35632, 44540, 52400, 55675, 89080, 111350, 178160, 222700, 445400, 890800]

約数ペア:

[(1, 890800), (2, 445400), (4, 222700), (5, 178160), (8, 111350), (10, 89080), (16, 55675), (17, 52400), (20, 44540), (25, 35632), (34, 26200), (40, 22270), (50, 17816), (68, 13100), (80, 11135), (85, 10480), (100, 8908), (131, 6800), (136, 6550), (170, 5240), (200, 4454), (262, 3400), (272, 3275), (340, 2620), (400, 2227), (425, 2096), (524, 1700), (655, 1360), (680, 1310), (850, 1048)]