289319660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71261}}^1$

素因数の和:71306

約数の個数: 48

約数和(自身を含む): 718320960

約数和(自身を除く): 429001300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 71261, 142522, 285044, 356305, 498827, 712610, 997654, 1425220, 1995308, 2066569, 2494135, 4133138, 4988270, 8266276, 9976540, 10332845, 14465983, 20665690, 28931966, 41331380, 57863932, 72329915, 144659830, 289319660]

約数ペア:

[(1, 289319660), (2, 144659830), (4, 72329915), (5, 57863932), (7, 41331380), (10, 28931966), (14, 20665690), (20, 14465983), (28, 10332845), (29, 9976540), (35, 8266276), (58, 4988270), (70, 4133138), (116, 2494135), (140, 2066569), (145, 1995308), (203, 1425220), (290, 997654), (406, 712610), (580, 498827), (812, 356305), (1015, 285044), (2030, 142522), (4060, 71261)]