217487270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21727}}^1$

素因数の和:21765

約数の個数: 64

約数和(自身を含む): 525643776

約数和(自身を除く): 308156506

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1430, 2002, 5005, 10010, 21727, 43454, 108635, 152089, 217270, 238997, 282451, 304178, 477994, 564902, 760445, 1194985, 1412255, 1520890, 1672979, 1977157, 2389970, 2824510, 3106961, 3345958, 3954314, 6213922, 8364895, 9885785, 15534805, 16729790, 19771570, 21748727, 31069610, 43497454, 108743635, 217487270]

約数ペア:

[(1, 217487270), (2, 108743635), (5, 43497454), (7, 31069610), (10, 21748727), (11, 19771570), (13, 16729790), (14, 15534805), (22, 9885785), (26, 8364895), (35, 6213922), (55, 3954314), (65, 3345958), (70, 3106961), (77, 2824510), (91, 2389970), (110, 1977157), (130, 1672979), (143, 1520890), (154, 1412255), (182, 1194985), (286, 760445), (385, 564902), (455, 477994), (715, 304178), (770, 282451), (910, 238997), (1001, 217270), (1430, 152089), (2002, 108635), (5005, 43454), (10010, 21727)]