169490020

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{797}}^1$

素因数の和:858

約数の個数: 96

約数和(自身を含む): 429004800

約数和(自身を除く): 259514780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 343, 434, 490, 620, 686, 797, 868, 980, 1085, 1372, 1519, 1594, 1715, 2170, 3038, 3188, 3430, 3985, 4340, 5579, 6076, 6860, 7595, 7970, 10633, 11158, 15190, 15940, 21266, 22316, 24707, 27895, 30380, 39053, 42532, 49414, 53165, 55790, 78106, 98828, 106330, 111580, 123535, 156212, 172949, 195265, 212660, 247070, 273371, 345898, 390530, 494140, 546742, 691796, 781060, 864745, 1093484, 1210643, 1366855, 1729490, 2421286, 2733710, 3458980, 4842572, 5467420, 6053215, 8474501, 12106430, 16949002, 24212860, 33898004, 42372505, 84745010, 169490020]

約数ペア:

[(1, 169490020), (2, 84745010), (4, 42372505), (5, 33898004), (7, 24212860), (10, 16949002), (14, 12106430), (20, 8474501), (28, 6053215), (31, 5467420), (35, 4842572), (49, 3458980), (62, 2733710), (70, 2421286), (98, 1729490), (124, 1366855), (140, 1210643), (155, 1093484), (196, 864745), (217, 781060), (245, 691796), (310, 546742), (343, 494140), (434, 390530), (490, 345898), (620, 273371), (686, 247070), (797, 212660), (868, 195265), (980, 172949), (1085, 156212), (1372, 123535), (1519, 111580), (1594, 106330), (1715, 98828), (2170, 78106), (3038, 55790), (3188, 53165), (3430, 49414), (3985, 42532), (4340, 39053), (5579, 30380), (6076, 27895), (6860, 24707), (7595, 22316), (7970, 21266), (10633, 15940), (11158, 15190)]