7743072980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{661}}^1\times {\mathrm{6581}}^1$

素因数の和:7340

約数の個数: 48

約数和(自身を含む): 16470533520

約数和(自身を除く): 8727460540

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 661, 890, 1322, 1780, 2644, 3305, 6581, 6610, 13162, 13220, 26324, 32905, 58829, 65810, 117658, 131620, 235316, 294145, 585709, 588290, 1171418, 1176580, 2342836, 2928545, 4350041, 5857090, 8700082, 11714180, 17400164, 21750205, 43500410, 87000820, 387153649, 774307298, 1548614596, 1935768245, 3871536490, 7743072980]

約数ペア:

[(1, 7743072980), (2, 3871536490), (4, 1935768245), (5, 1548614596), (10, 774307298), (20, 387153649), (89, 87000820), (178, 43500410), (356, 21750205), (445, 17400164), (661, 11714180), (890, 8700082), (1322, 5857090), (1780, 4350041), (2644, 2928545), (3305, 2342836), (6581, 1176580), (6610, 1171418), (13162, 588290), (13220, 585709), (26324, 294145), (32905, 235316), (58829, 131620), (65810, 117658)]