917753340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{312161}}^1$

素因数の和:312187

約数の個数: 72

約数和(自身を含む): 2989263312

約数和(自身を除く): 2071509972

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 312161, 624322, 936483, 1248644, 1560805, 1872966, 2185127, 3121610, 3745932, 4370254, 4682415, 6243220, 6555381, 8740508, 9364830, 10925635, 13110762, 15295889, 18729660, 21851270, 26221524, 30591778, 32776905, 43702540, 45887667, 61183556, 65553810, 76479445, 91775334, 131107620, 152958890, 183550668, 229438335, 305917780, 458876670, 917753340]

約数ペア:

[(1, 917753340), (2, 458876670), (3, 305917780), (4, 229438335), (5, 183550668), (6, 152958890), (7, 131107620), (10, 91775334), (12, 76479445), (14, 65553810), (15, 61183556), (20, 45887667), (21, 43702540), (28, 32776905), (30, 30591778), (35, 26221524), (42, 21851270), (49, 18729660), (60, 15295889), (70, 13110762), (84, 10925635), (98, 9364830), (105, 8740508), (140, 6555381), (147, 6243220), (196, 4682415), (210, 4370254), (245, 3745932), (294, 3121610), (420, 2185127), (490, 1872966), (588, 1560805), (735, 1248644), (980, 936483), (1470, 624322), (2940, 312161)]