71639260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{4229}}^1$

素因数の和:4267

約数の個数: 72

約数和(自身を含む): 189030240

約数和(自身を除く): 117390980

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 4229, 4235, 8458, 8470, 16916, 16940, 21145, 29603, 42290, 46519, 59206, 84580, 93038, 118412, 148015, 186076, 232595, 296030, 325633, 465190, 511709, 592060, 651266, 930380, 1023418, 1302532, 1628165, 2046836, 2558545, 3256330, 3581963, 5117090, 6512660, 7163926, 10234180, 14327852, 17909815, 35819630, 71639260]

約数ペア:

[(1, 71639260), (2, 35819630), (4, 17909815), (5, 14327852), (7, 10234180), (10, 7163926), (11, 6512660), (14, 5117090), (20, 3581963), (22, 3256330), (28, 2558545), (35, 2046836), (44, 1628165), (55, 1302532), (70, 1023418), (77, 930380), (110, 651266), (121, 592060), (140, 511709), (154, 465190), (220, 325633), (242, 296030), (308, 232595), (385, 186076), (484, 148015), (605, 118412), (770, 93038), (847, 84580), (1210, 59206), (1540, 46519), (1694, 42290), (2420, 29603), (3388, 21145), (4229, 16940), (4235, 16916), (8458, 8470)]