2103073475

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{509}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 2788884000

約数和(自身を除く): 685810525

約数列:

[1, 5, 25, 29, 41, 139, 145, 205, 509, 695, 725, 1025, 1189, 2545, 3475, 4031, 5699, 5945, 12725, 14761, 20155, 20869, 28495, 29725, 70751, 73805, 100775, 104345, 142475, 165271, 353755, 369025, 521725, 605201, 826355, 1768775, 2051779, 2900791, 3026005, 4131775, 10258895, 14503955, 15130025, 51294475, 72519775, 84122939, 420614695, 2103073475]

約数ペア:

[(1, 2103073475), (5, 420614695), (25, 84122939), (29, 72519775), (41, 51294475), (139, 15130025), (145, 14503955), (205, 10258895), (509, 4131775), (695, 3026005), (725, 2900791), (1025, 2051779), (1189, 1768775), (2545, 826355), (3475, 605201), (4031, 521725), (5699, 369025), (5945, 353755), (12725, 165271), (14761, 142475), (20155, 104345), (20869, 100775), (28495, 73805), (29725, 70751)]