2019936275

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{619}}^1\times {\mathrm{643}}^1$

素因数の和:1308

約数の個数: 48

約数和(自身を含む): 2970643200

約数和(自身を除く): 950706925

約数列:

[1, 5, 7, 25, 29, 35, 145, 175, 203, 619, 643, 725, 1015, 3095, 3215, 4333, 4501, 5075, 15475, 16075, 17951, 18647, 21665, 22505, 89755, 93235, 108325, 112525, 125657, 130529, 398017, 448775, 466175, 628285, 652645, 1990085, 2786119, 3141425, 3263225, 9950425, 11542493, 13930595, 57712465, 69652975, 80797451, 288562325, 403987255, 2019936275]

約数ペア:

[(1, 2019936275), (5, 403987255), (7, 288562325), (25, 80797451), (29, 69652975), (35, 57712465), (145, 13930595), (175, 11542493), (203, 9950425), (619, 3263225), (643, 3141425), (725, 2786119), (1015, 1990085), (3095, 652645), (3215, 628285), (4333, 466175), (4501, 448775), (5075, 398017), (15475, 130529), (16075, 125657), (17951, 112525), (18647, 108325), (21665, 93235), (22505, 89755)]