70235240

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 162162000

約数和(自身を除く): 91926760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 109, 178, 181, 218, 356, 362, 436, 445, 545, 712, 724, 872, 890, 905, 1090, 1448, 1780, 1810, 2180, 3560, 3620, 4360, 7240, 9701, 16109, 19402, 19729, 32218, 38804, 39458, 48505, 64436, 77608, 78916, 80545, 97010, 98645, 128872, 157832, 161090, 194020, 197290, 322180, 388040, 394580, 644360, 789160, 1755881, 3511762, 7023524, 8779405, 14047048, 17558810, 35117620, 70235240]

約数ペア:

[(1, 70235240), (2, 35117620), (4, 17558810), (5, 14047048), (8, 8779405), (10, 7023524), (20, 3511762), (40, 1755881), (89, 789160), (109, 644360), (178, 394580), (181, 388040), (218, 322180), (356, 197290), (362, 194020), (436, 161090), (445, 157832), (545, 128872), (712, 98645), (724, 97010), (872, 80545), (890, 78916), (905, 77608), (1090, 64436), (1448, 48505), (1780, 39458), (1810, 38804), (2180, 32218), (3560, 19729), (3620, 19402), (4360, 16109), (7240, 9701)]