108800900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{659}}^1$

素因数の和:813

約数の個数: 72

約数和(自身を含む): 256650240

約数和(自身を除く): 147849340

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 127, 130, 254, 260, 325, 508, 635, 650, 659, 1270, 1300, 1318, 1651, 2540, 2636, 3175, 3295, 3302, 6350, 6590, 6604, 8255, 8567, 12700, 13180, 16475, 16510, 17134, 32950, 33020, 34268, 41275, 42835, 65900, 82550, 83693, 85670, 165100, 167386, 171340, 214175, 334772, 418465, 428350, 836930, 856700, 1088009, 1673860, 2092325, 2176018, 4184650, 4352036, 5440045, 8369300, 10880090, 21760180, 27200225, 54400450, 108800900]

約数ペア:

[(1, 108800900), (2, 54400450), (4, 27200225), (5, 21760180), (10, 10880090), (13, 8369300), (20, 5440045), (25, 4352036), (26, 4184650), (50, 2176018), (52, 2092325), (65, 1673860), (100, 1088009), (127, 856700), (130, 836930), (254, 428350), (260, 418465), (325, 334772), (508, 214175), (635, 171340), (650, 167386), (659, 165100), (1270, 85670), (1300, 83693), (1318, 82550), (1651, 65900), (2540, 42835), (2636, 41275), (3175, 34268), (3295, 33020), (3302, 32950), (6350, 17134), (6590, 16510), (6604, 16475), (8255, 13180), (8567, 12700)]