200821000

素因数分解:

$2^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{11813}}^1$

素因数の和:11851

約数の個数: 64

約数和(自身を含む): 497605680

約数和(自身を除く): 296784680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 125, 136, 170, 200, 250, 340, 425, 500, 680, 850, 1000, 1700, 2125, 3400, 4250, 8500, 11813, 17000, 23626, 47252, 59065, 94504, 118130, 200821, 236260, 295325, 401642, 472520, 590650, 803284, 1004105, 1181300, 1476625, 1606568, 2008210, 2362600, 2953250, 4016420, 5020525, 5906500, 8032840, 10041050, 11813000, 20082100, 25102625, 40164200, 50205250, 100410500, 200821000]

約数ペア:

[(1, 200821000), (2, 100410500), (4, 50205250), (5, 40164200), (8, 25102625), (10, 20082100), (17, 11813000), (20, 10041050), (25, 8032840), (34, 5906500), (40, 5020525), (50, 4016420), (68, 2953250), (85, 2362600), (100, 2008210), (125, 1606568), (136, 1476625), (170, 1181300), (200, 1004105), (250, 803284), (340, 590650), (425, 472520), (500, 401642), (680, 295325), (850, 236260), (1000, 200821), (1700, 118130), (2125, 94504), (3400, 59065), (4250, 47252), (8500, 23626), (11813, 17000)]