42981820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{719}}^1$

素因数の和:803

約数の個数: 72

約数和(自身を含む): 106868160

約数和(自身を除く): 63886340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 61, 70, 98, 122, 140, 196, 244, 245, 305, 427, 490, 610, 719, 854, 980, 1220, 1438, 1708, 2135, 2876, 2989, 3595, 4270, 5033, 5978, 7190, 8540, 10066, 11956, 14380, 14945, 20132, 25165, 29890, 35231, 43859, 50330, 59780, 70462, 87718, 100660, 140924, 175436, 176155, 219295, 307013, 352310, 438590, 614026, 704620, 877180, 1228052, 1535065, 2149091, 3070130, 4298182, 6140260, 8596364, 10745455, 21490910, 42981820]

約数ペア:

[(1, 42981820), (2, 21490910), (4, 10745455), (5, 8596364), (7, 6140260), (10, 4298182), (14, 3070130), (20, 2149091), (28, 1535065), (35, 1228052), (49, 877180), (61, 704620), (70, 614026), (98, 438590), (122, 352310), (140, 307013), (196, 219295), (244, 176155), (245, 175436), (305, 140924), (427, 100660), (490, 87718), (610, 70462), (719, 59780), (854, 50330), (980, 43859), (1220, 35231), (1438, 29890), (1708, 25165), (2135, 20132), (2876, 14945), (2989, 14380), (3595, 11956), (4270, 10066), (5033, 8540), (5978, 7190)]