169550780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{5581}}^1$

素因数の和:5635

約数の個数: 72

約数和(自身を含む): 427625856

約数和(自身を除く): 258075076

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, 434, 490, 620, 868, 980, 1085, 1519, 2170, 3038, 4340, 5581, 6076, 7595, 11162, 15190, 22324, 27905, 30380, 39067, 55810, 78134, 111620, 156268, 173011, 195335, 273469, 346022, 390670, 546938, 692044, 781340, 865055, 1093876, 1211077, 1367345, 1730110, 2422154, 2734690, 3460220, 4844308, 5469380, 6055385, 8477539, 12110770, 16955078, 24221540, 33910156, 42387695, 84775390, 169550780]

約数ペア:

[(1, 169550780), (2, 84775390), (4, 42387695), (5, 33910156), (7, 24221540), (10, 16955078), (14, 12110770), (20, 8477539), (28, 6055385), (31, 5469380), (35, 4844308), (49, 3460220), (62, 2734690), (70, 2422154), (98, 1730110), (124, 1367345), (140, 1211077), (155, 1093876), (196, 865055), (217, 781340), (245, 692044), (310, 546938), (434, 390670), (490, 346022), (620, 273469), (868, 195335), (980, 173011), (1085, 156268), (1519, 111620), (2170, 78134), (3038, 55810), (4340, 39067), (5581, 30380), (6076, 27905), (7595, 22324), (11162, 15190)]