70420805

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 110315520

約数和(自身を除く): 39894715

約数列:

[1, 5, 7, 13, 35, 37, 47, 65, 89, 91, 185, 235, 259, 329, 445, 455, 481, 611, 623, 1157, 1295, 1645, 1739, 2405, 3055, 3115, 3293, 3367, 4183, 4277, 5785, 8099, 8695, 12173, 16465, 16835, 20915, 21385, 22607, 23051, 29281, 40495, 42809, 54379, 60865, 113035, 115255, 146405, 154771, 158249, 214045, 271895, 299663, 380653, 773855, 791245, 1083397, 1498315, 1903265, 2012023, 5416985, 10060115, 14084161, 70420805]

約数ペア:

[(1, 70420805), (5, 14084161), (7, 10060115), (13, 5416985), (35, 2012023), (37, 1903265), (47, 1498315), (65, 1083397), (89, 791245), (91, 773855), (185, 380653), (235, 299663), (259, 271895), (329, 214045), (445, 158249), (455, 154771), (481, 146405), (611, 115255), (623, 113035), (1157, 60865), (1295, 54379), (1645, 42809), (1739, 40495), (2405, 29281), (3055, 23051), (3115, 22607), (3293, 21385), (3367, 20915), (4183, 16835), (4277, 16465), (5785, 12173), (8099, 8695)]