17220257425

素因数分解:

$5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{547}}^1\times {\mathrm{829}}^1$

素因数の和:1431

約数の個数: 72

約数和(自身を含む): 25718472960

約数和(自身を除く): 8498215535

約数列:

[1, 5, 7, 25, 31, 35, 49, 155, 175, 217, 245, 547, 775, 829, 1085, 1225, 1519, 2735, 3829, 4145, 5425, 5803, 7595, 13675, 16957, 19145, 20725, 25699, 26803, 29015, 37975, 40621, 84785, 95725, 118699, 128495, 134015, 145075, 179893, 203105, 423925, 453463, 593495, 642475, 670075, 830893, 899465, 1015525, 1259251, 2267315, 2967475, 3174241, 4154465, 4497325, 6296255, 11336575, 14057353, 15871205, 20772325, 22219687, 31481275, 70286765, 79356025, 98401471, 111098435, 351433825, 492007355, 555492175, 688810297, 2460036775, 3444051485, 17220257425]

約数ペア:

[(1, 17220257425), (5, 3444051485), (7, 2460036775), (25, 688810297), (31, 555492175), (35, 492007355), (49, 351433825), (155, 111098435), (175, 98401471), (217, 79356025), (245, 70286765), (547, 31481275), (775, 22219687), (829, 20772325), (1085, 15871205), (1225, 14057353), (1519, 11336575), (2735, 6296255), (3829, 4497325), (4145, 4154465), (5425, 3174241), (5803, 2967475), (7595, 2267315), (13675, 1259251), (16957, 1015525), (19145, 899465), (20725, 830893), (25699, 670075), (26803, 642475), (29015, 593495), (37975, 453463), (40621, 423925), (84785, 203105), (95725, 179893), (118699, 145075), (128495, 134015)]