216189350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10729}}^1$

素因数の和:10785

約数の個数: 48

約数和(自身を含む): 447054720

約数和(自身を除く): 230865370

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 775, 806, 1550, 2015, 4030, 10075, 10729, 20150, 21458, 53645, 107290, 139477, 268225, 278954, 332599, 536450, 665198, 697385, 1394770, 1662995, 3325990, 3486925, 4323787, 6973850, 8314975, 8647574, 16629950, 21618935, 43237870, 108094675, 216189350]

約数ペア:

[(1, 216189350), (2, 108094675), (5, 43237870), (10, 21618935), (13, 16629950), (25, 8647574), (26, 8314975), (31, 6973850), (50, 4323787), (62, 3486925), (65, 3325990), (130, 1662995), (155, 1394770), (310, 697385), (325, 665198), (403, 536450), (650, 332599), (775, 278954), (806, 268225), (1550, 139477), (2015, 107290), (4030, 53645), (10075, 21458), (10729, 20150)]