139306360

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{359}}^1$

素因数の和:568

約数の個数: 64

約数和(自身を含む): 320760000

約数和(自身を除く): 181453640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 109, 178, 218, 356, 359, 436, 445, 545, 712, 718, 872, 890, 1090, 1436, 1780, 1795, 2180, 2872, 3560, 3590, 4360, 7180, 9701, 14360, 19402, 31951, 38804, 39131, 48505, 63902, 77608, 78262, 97010, 127804, 156524, 159755, 194020, 195655, 255608, 313048, 319510, 388040, 391310, 639020, 782620, 1278040, 1565240, 3482659, 6965318, 13930636, 17413295, 27861272, 34826590, 69653180, 139306360]

約数ペア:

[(1, 139306360), (2, 69653180), (4, 34826590), (5, 27861272), (8, 17413295), (10, 13930636), (20, 6965318), (40, 3482659), (89, 1565240), (109, 1278040), (178, 782620), (218, 639020), (356, 391310), (359, 388040), (436, 319510), (445, 313048), (545, 255608), (712, 195655), (718, 194020), (872, 159755), (890, 156524), (1090, 127804), (1436, 97010), (1780, 78262), (1795, 77608), (2180, 63902), (2872, 48505), (3560, 39131), (3590, 38804), (4360, 31951), (7180, 19402), (9701, 14360)]