253346920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{7927}}^1$

素因数の和:8002

約数の個数: 64

約数和(自身を含む): 616481280

約数和(自身を除く): 363134360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 68, 85, 94, 136, 170, 188, 235, 340, 376, 470, 680, 799, 940, 1598, 1880, 3196, 3995, 6392, 7927, 7990, 15854, 15980, 31708, 31960, 39635, 63416, 79270, 134759, 158540, 269518, 317080, 372569, 539036, 673795, 745138, 1078072, 1347590, 1490276, 1862845, 2695180, 2980552, 3725690, 5390360, 6333673, 7451380, 12667346, 14902760, 25334692, 31668365, 50669384, 63336730, 126673460, 253346920]

約数ペア:

[(1, 253346920), (2, 126673460), (4, 63336730), (5, 50669384), (8, 31668365), (10, 25334692), (17, 14902760), (20, 12667346), (34, 7451380), (40, 6333673), (47, 5390360), (68, 3725690), (85, 2980552), (94, 2695180), (136, 1862845), (170, 1490276), (188, 1347590), (235, 1078072), (340, 745138), (376, 673795), (470, 539036), (680, 372569), (799, 317080), (940, 269518), (1598, 158540), (1880, 134759), (3196, 79270), (3995, 63416), (6392, 39635), (7927, 31960), (7990, 31708), (15854, 15980)]