89920460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20719}}^1$

素因数の和:20766

約数の個数: 48

約数和(自身を含む): 222781440

約数和(自身を除く): 132860980

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, 20719, 41438, 82876, 103595, 145033, 207190, 290066, 414380, 580132, 642289, 725165, 1284578, 1450330, 2569156, 2900660, 3211445, 4496023, 6422890, 8992046, 12845780, 17984092, 22480115, 44960230, 89920460]

約数ペア:

[(1, 89920460), (2, 44960230), (4, 22480115), (5, 17984092), (7, 12845780), (10, 8992046), (14, 6422890), (20, 4496023), (28, 3211445), (31, 2900660), (35, 2569156), (62, 1450330), (70, 1284578), (124, 725165), (140, 642289), (155, 580132), (217, 414380), (310, 290066), (434, 207190), (620, 145033), (868, 103595), (1085, 82876), (2170, 41438), (4340, 20719)]