220293885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4801}}^1$

素因数の和:4858

約数の個数: 64

約数和(自身を含む): 442552320

約数和(自身を除く): 222258435

約数列:

[1, 3, 5, 7, 15, 19, 21, 23, 35, 57, 69, 95, 105, 115, 133, 161, 285, 345, 399, 437, 483, 665, 805, 1311, 1995, 2185, 2415, 3059, 4801, 6555, 9177, 14403, 15295, 24005, 33607, 45885, 72015, 91219, 100821, 110423, 168035, 273657, 331269, 456095, 504105, 552115, 638533, 772961, 1368285, 1656345, 1915599, 2098037, 2318883, 3192665, 3864805, 6294111, 9577995, 10490185, 11594415, 14686259, 31470555, 44058777, 73431295, 220293885]

約数ペア:

[(1, 220293885), (3, 73431295), (5, 44058777), (7, 31470555), (15, 14686259), (19, 11594415), (21, 10490185), (23, 9577995), (35, 6294111), (57, 3864805), (69, 3192665), (95, 2318883), (105, 2098037), (115, 1915599), (133, 1656345), (161, 1368285), (285, 772961), (345, 638533), (399, 552115), (437, 504105), (483, 456095), (665, 331269), (805, 273657), (1311, 168035), (1995, 110423), (2185, 100821), (2415, 91219), (3059, 72015), (4801, 45885), (6555, 33607), (9177, 24005), (14403, 15295)]