221485170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{1249}}^1$

素因数の和:1539

約数の個数: 64

約数和(自身を含む): 557280000

約数和(自身を除く): 335794830

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 257, 345, 514, 690, 771, 1249, 1285, 1542, 2498, 2570, 3747, 3855, 5911, 6245, 7494, 7710, 11822, 12490, 17733, 18735, 28727, 29555, 35466, 37470, 57454, 59110, 86181, 88665, 143635, 172362, 177330, 287270, 320993, 430905, 641986, 861810, 962979, 1604965, 1925958, 3209930, 4814895, 7382839, 9629790, 14765678, 22148517, 36914195, 44297034, 73828390, 110742585, 221485170]

約数ペア:

[(1, 221485170), (2, 110742585), (3, 73828390), (5, 44297034), (6, 36914195), (10, 22148517), (15, 14765678), (23, 9629790), (30, 7382839), (46, 4814895), (69, 3209930), (115, 1925958), (138, 1604965), (230, 962979), (257, 861810), (345, 641986), (514, 430905), (690, 320993), (771, 287270), (1249, 177330), (1285, 172362), (1542, 143635), (2498, 88665), (2570, 86181), (3747, 59110), (3855, 57454), (5911, 37470), (6245, 35466), (7494, 29555), (7710, 28727), (11822, 18735), (12490, 17733)]