9969885020

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{37591}}^1$

素因数の和:37838

約数の個数: 48

約数和(自身を含む): 21314664000

約数和(自身を除く): 11344778980

約数列:

[1, 2, 4, 5, 10, 20, 89, 149, 178, 298, 356, 445, 596, 745, 890, 1490, 1780, 2980, 13261, 26522, 37591, 53044, 66305, 75182, 132610, 150364, 187955, 265220, 375910, 751820, 3345599, 5601059, 6691198, 11202118, 13382396, 16727995, 22404236, 28005295, 33455990, 56010590, 66911980, 112021180, 498494251, 996988502, 1993977004, 2492471255, 4984942510, 9969885020]

約数ペア:

[(1, 9969885020), (2, 4984942510), (4, 2492471255), (5, 1993977004), (10, 996988502), (20, 498494251), (89, 112021180), (149, 66911980), (178, 56010590), (298, 33455990), (356, 28005295), (445, 22404236), (596, 16727995), (745, 13382396), (890, 11202118), (1490, 6691198), (1780, 5601059), (2980, 3345599), (13261, 751820), (26522, 375910), (37591, 265220), (53044, 187955), (66305, 150364), (75182, 132610)]