207753420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{494651}}^1$

素因数の和:494670

約数の個数: 48

約数和(自身を含む): 664812288

約数和(自身を除く): 457058868

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, 494651, 989302, 1483953, 1978604, 2473255, 2967906, 3462557, 4946510, 5935812, 6925114, 7419765, 9893020, 10387671, 13850228, 14839530, 17312785, 20775342, 29679060, 34625570, 41550684, 51938355, 69251140, 103876710, 207753420]

約数ペア:

[(1, 207753420), (2, 103876710), (3, 69251140), (4, 51938355), (5, 41550684), (6, 34625570), (7, 29679060), (10, 20775342), (12, 17312785), (14, 14839530), (15, 13850228), (20, 10387671), (21, 9893020), (28, 7419765), (30, 6925114), (35, 5935812), (42, 4946510), (60, 3462557), (70, 2967906), (84, 2473255), (105, 1978604), (140, 1483953), (210, 989302), (420, 494651)]