179632840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3329}}^1$

素因数の和:3430

約数の個数: 64

約数和(自身を含む): 431568000

約数和(自身を除く): 251935160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 1349, 1420, 2698, 2840, 3329, 5396, 6658, 6745, 10792, 13316, 13490, 16645, 26632, 26980, 33290, 53960, 63251, 66580, 126502, 133160, 236359, 253004, 316255, 472718, 506008, 632510, 945436, 1181795, 1265020, 1890872, 2363590, 2530040, 4490821, 4727180, 8981642, 9454360, 17963284, 22454105, 35926568, 44908210, 89816420, 179632840]

約数ペア:

[(1, 179632840), (2, 89816420), (4, 44908210), (5, 35926568), (8, 22454105), (10, 17963284), (19, 9454360), (20, 8981642), (38, 4727180), (40, 4490821), (71, 2530040), (76, 2363590), (95, 1890872), (142, 1265020), (152, 1181795), (190, 945436), (284, 632510), (355, 506008), (380, 472718), (568, 316255), (710, 253004), (760, 236359), (1349, 133160), (1420, 126502), (2698, 66580), (2840, 63251), (3329, 53960), (5396, 33290), (6658, 26980), (6745, 26632), (10792, 16645), (13316, 13490)]