170906900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{307}}^1$

素因数の和:633

約数の個数: 72

約数和(自身を含む): 392995680

約数和(自身を除く): 222088780

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 293, 307, 380, 475, 586, 614, 950, 1172, 1228, 1465, 1535, 1900, 2930, 3070, 5567, 5833, 5860, 6140, 7325, 7675, 11134, 11666, 14650, 15350, 22268, 23332, 27835, 29165, 29300, 30700, 55670, 58330, 89951, 111340, 116660, 139175, 145825, 179902, 278350, 291650, 359804, 449755, 556700, 583300, 899510, 1709069, 1799020, 2248775, 3418138, 4497550, 6836276, 8545345, 8995100, 17090690, 34181380, 42726725, 85453450, 170906900]

約数ペア:

[(1, 170906900), (2, 85453450), (4, 42726725), (5, 34181380), (10, 17090690), (19, 8995100), (20, 8545345), (25, 6836276), (38, 4497550), (50, 3418138), (76, 2248775), (95, 1799020), (100, 1709069), (190, 899510), (293, 583300), (307, 556700), (380, 449755), (475, 359804), (586, 291650), (614, 278350), (950, 179902), (1172, 145825), (1228, 139175), (1465, 116660), (1535, 111340), (1900, 89951), (2930, 58330), (3070, 55670), (5567, 30700), (5833, 29300), (5860, 29165), (6140, 27835), (7325, 23332), (7675, 22268), (11134, 15350), (11666, 14650)]