285542180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1181}}^1$

素因数の和:1365

約数の個数: 96

約数和(自身を含む): 753000192

約数和(自身を除く): 467458012

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 157, 220, 308, 314, 385, 628, 770, 785, 1099, 1181, 1540, 1570, 1727, 2198, 2362, 3140, 3454, 4396, 4724, 5495, 5905, 6908, 8267, 8635, 10990, 11810, 12089, 12991, 16534, 17270, 21980, 23620, 24178, 25982, 33068, 34540, 41335, 48356, 51964, 60445, 64955, 82670, 90937, 120890, 129910, 165340, 181874, 185417, 241780, 259820, 363748, 370834, 454685, 741668, 909370, 927085, 1297919, 1818740, 1854170, 2039587, 2595838, 3708340, 4079174, 5191676, 6489595, 8158348, 10197935, 12979190, 14277109, 20395870, 25958380, 28554218, 40791740, 57108436, 71385545, 142771090, 285542180]

約数ペア:

[(1, 285542180), (2, 142771090), (4, 71385545), (5, 57108436), (7, 40791740), (10, 28554218), (11, 25958380), (14, 20395870), (20, 14277109), (22, 12979190), (28, 10197935), (35, 8158348), (44, 6489595), (55, 5191676), (70, 4079174), (77, 3708340), (110, 2595838), (140, 2039587), (154, 1854170), (157, 1818740), (220, 1297919), (308, 927085), (314, 909370), (385, 741668), (628, 454685), (770, 370834), (785, 363748), (1099, 259820), (1181, 241780), (1540, 185417), (1570, 181874), (1727, 165340), (2198, 129910), (2362, 120890), (3140, 90937), (3454, 82670), (4396, 64955), (4724, 60445), (5495, 51964), (5905, 48356), (6908, 41335), (8267, 34540), (8635, 33068), (10990, 25982), (11810, 24178), (12089, 23620), (12991, 21980), (16534, 17270)]