254868180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{606829}}^1$

素因数の和:606848

約数の個数: 48

約数和(自身を含む): 815579520

約数和(自身を除く): 560711340

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, 606829, 1213658, 1820487, 2427316, 3034145, 3640974, 4247803, 6068290, 7281948, 8495606, 9102435, 12136580, 12743409, 16991212, 18204870, 21239015, 25486818, 36409740, 42478030, 50973636, 63717045, 84956060, 127434090, 254868180]

約数ペア:

[(1, 254868180), (2, 127434090), (3, 84956060), (4, 63717045), (5, 50973636), (6, 42478030), (7, 36409740), (10, 25486818), (12, 21239015), (14, 18204870), (15, 16991212), (20, 12743409), (21, 12136580), (28, 9102435), (30, 8495606), (35, 7281948), (42, 6068290), (60, 4247803), (70, 3640974), (84, 3034145), (105, 2427316), (140, 1820487), (210, 1213658), (420, 606829)]