145313420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{148279}}^1$

素因数の和:148302

約数の個数: 36

約数和(自身を含む): 354982320

約数和(自身を除く): 209668900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 148279, 296558, 593116, 741395, 1037953, 1482790, 2075906, 2965580, 4151812, 5189765, 7265671, 10379530, 14531342, 20759060, 29062684, 36328355, 72656710, 145313420]

約数ペア:

[(1, 145313420), (2, 72656710), (4, 36328355), (5, 29062684), (7, 20759060), (10, 14531342), (14, 10379530), (20, 7265671), (28, 5189765), (35, 4151812), (49, 2965580), (70, 2075906), (98, 1482790), (140, 1037953), (196, 741395), (245, 593116), (490, 296558), (980, 148279)]