1990254.00000000

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:515

約数の個数: 64

約数和(自身を含む): 240468480

約数和(自身を除く): 142519350

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 83, 139, 166, 249, 278, 283, 415, 417, 498, 566, 695, 830, 834, 849, 1245, 1390, 1415, 1698, 2085, 2490, 2830, 4170, 4245, 8490, 11537, 23074, 23489, 34611, 39337, 46978, 57685, 69222, 70467, 78674, 115370, 117445, 118011, 140934, 173055, 196685, 234890, 236022, 346110, 352335, 393370, 590055, 704670, 1180110, 3264971, 6529942, 9794913, 16324855, 19589826, 32649710, 48974565, 97949130]

約数ペア:

[(1, 97949130), (2, 48974565), (3, 32649710), (5, 19589826), (6, 16324855), (10, 9794913), (15, 6529942), (30, 3264971), (83, 1180110), (139, 704670), (166, 590055), (249, 393370), (278, 352335), (283, 346110), (415, 236022), (417, 234890), (498, 196685), (566, 173055), (695, 140934), (830, 118011), (834, 117445), (849, 115370), (1245, 78674), (1390, 70467), (1415, 69222), (1698, 57685), (2085, 46978), (2490, 39337), (2830, 34611), (4170, 23489), (4245, 23074), (8490, 11537)]