4619990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:304

約数の個数: 32

約数和(自身を含む): 8748000

約数和(自身を除く): 4128010

約数列:

[1, 2, 5, 10, 29, 58, 89, 145, 178, 179, 290, 358, 445, 890, 895, 1790, 2581, 5162, 5191, 10382, 12905, 15931, 25810, 25955, 31862, 51910, 79655, 159310, 461999, 923998, 2309995, 4619990]

約数ペア:

[(1, 4619990), (2, 2309995), (5, 923998), (10, 461999), (29, 159310), (58, 79655), (89, 51910), (145, 31862), (178, 25955), (179, 25810), (290, 15931), (358, 12905), (445, 10382), (890, 5191), (895, 5162), (1790, 2581)]