200641720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1\times {\mathrm{643}}^1$

素因数の和:952

約数の個数: 64

約数和(自身を含む): 469476000

約数和(自身を除く): 268834280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 269, 290, 538, 580, 643, 1076, 1160, 1286, 1345, 2152, 2572, 2690, 3215, 5144, 5380, 6430, 7801, 10760, 12860, 15602, 18647, 25720, 31204, 37294, 39005, 62408, 74588, 78010, 93235, 149176, 156020, 172967, 186470, 312040, 345934, 372940, 691868, 745880, 864835, 1383736, 1729670, 3459340, 5016043, 6918680, 10032086, 20064172, 25080215, 40128344, 50160430, 100320860, 200641720]

約数ペア:

[(1, 200641720), (2, 100320860), (4, 50160430), (5, 40128344), (8, 25080215), (10, 20064172), (20, 10032086), (29, 6918680), (40, 5016043), (58, 3459340), (116, 1729670), (145, 1383736), (232, 864835), (269, 745880), (290, 691868), (538, 372940), (580, 345934), (643, 312040), (1076, 186470), (1160, 172967), (1286, 156020), (1345, 149176), (2152, 93235), (2572, 78010), (2690, 74588), (3215, 62408), (5144, 39005), (5380, 37294), (6430, 31204), (7801, 25720), (10760, 18647), (12860, 15602)]