426888920

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{1811}}^1$

素因数の和:1976

約数の個数: 64

約数和(自身を含む): 986307840

約数和(自身を除く): 559418920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 83, 142, 166, 284, 332, 355, 415, 568, 664, 710, 830, 1420, 1660, 1811, 2840, 3320, 3622, 5893, 7244, 9055, 11786, 14488, 18110, 23572, 29465, 36220, 47144, 58930, 72440, 117860, 128581, 150313, 235720, 257162, 300626, 514324, 601252, 642905, 751565, 1028648, 1202504, 1285810, 1503130, 2571620, 3006260, 5143240, 6012520, 10672223, 21344446, 42688892, 53361115, 85377784, 106722230, 213444460, 426888920]

約数ペア:

[(1, 426888920), (2, 213444460), (4, 106722230), (5, 85377784), (8, 53361115), (10, 42688892), (20, 21344446), (40, 10672223), (71, 6012520), (83, 5143240), (142, 3006260), (166, 2571620), (284, 1503130), (332, 1285810), (355, 1202504), (415, 1028648), (568, 751565), (664, 642905), (710, 601252), (830, 514324), (1420, 300626), (1660, 257162), (1811, 235720), (2840, 150313), (3320, 128581), (3622, 117860), (5893, 72440), (7244, 58930), (9055, 47144), (11786, 36220), (14488, 29465), (18110, 23572)]