138416360

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{659}}^1$

素因数の和:818

約数の個数: 64

約数和(自身を含む): 320760000

約数和(自身を除く): 182343640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 89, 118, 178, 236, 295, 356, 445, 472, 590, 659, 712, 890, 1180, 1318, 1780, 2360, 2636, 3295, 3560, 5251, 5272, 6590, 10502, 13180, 21004, 26255, 26360, 38881, 42008, 52510, 58651, 77762, 105020, 117302, 155524, 194405, 210040, 234604, 293255, 311048, 388810, 469208, 586510, 777620, 1173020, 1555240, 2346040, 3460409, 6920818, 13841636, 17302045, 27683272, 34604090, 69208180, 138416360]

約数ペア:

[(1, 138416360), (2, 69208180), (4, 34604090), (5, 27683272), (8, 17302045), (10, 13841636), (20, 6920818), (40, 3460409), (59, 2346040), (89, 1555240), (118, 1173020), (178, 777620), (236, 586510), (295, 469208), (356, 388810), (445, 311048), (472, 293255), (590, 234604), (659, 210040), (712, 194405), (890, 155524), (1180, 117302), (1318, 105020), (1780, 77762), (2360, 58651), (2636, 52510), (3295, 42008), (3560, 38881), (5251, 26360), (5272, 26255), (6590, 21004), (10502, 13180)]