90790616980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20919497}}^1$

素因数の和:20919544

約数の個数: 48

約数和(自身を含む): 224926442496

約数和(自身を除く): 134135825516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 20919497, 41838994, 83677988, 104597485, 146436479, 209194970, 292872958, 418389940, 585745916, 648504407, 732182395, 1297008814, 1464364790, 2594017628, 2928729580, 3242522035, 4539530849, 6485044070, 9079061698, 12970088140, 18158123396, 22697654245, 45395308490, 90790616980]

約数ペア:

[(1, 90790616980), (2, 45395308490), (4, 22697654245), (5, 18158123396), (7, 12970088140), (10, 9079061698), (14, 6485044070), (20, 4539530849), (28, 3242522035), (31, 2928729580), (35, 2594017628), (62, 1464364790), (70, 1297008814), (124, 732182395), (140, 648504407), (155, 585745916), (217, 418389940), (310, 292872958), (434, 209194970), (620, 146436479), (868, 104597485), (1085, 83677988), (2170, 41838994), (4340, 20919497)]