289573620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{689461}}^1$

素因数の和:689480

約数の個数: 48

約数和(自身を含む): 926636928

約数和(自身を除く): 637063308

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 689461, 1378922, 2068383, 2757844, 3447305, 4136766, 4826227, 6894610, 8273532, 9652454, 10341915, 13789220, 14478681, 19304908, 20683830, 24131135, 28957362, 41367660, 48262270, 57914724, 72393405, 96524540, 144786810, 289573620]

約数ペア:

[(1, 289573620), (2, 144786810), (3, 96524540), (4, 72393405), (5, 57914724), (6, 48262270), (7, 41367660), (10, 28957362), (12, 24131135), (14, 20683830), (15, 19304908), (20, 14478681), (21, 13789220), (28, 10341915), (30, 9652454), (35, 8273532), (42, 6894610), (60, 4826227), (70, 4136766), (84, 3447305), (105, 2757844), (140, 2068383), (210, 1378922), (420, 689461)]