2489804975

素因数分解:

$5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{1303}}^1$

素因数の和:1560

約数の個数: 48

約数和(自身を含む): 3609054720

約数和(自身を除く): 1119249745

約数列:

[1, 5, 7, 25, 35, 61, 175, 179, 305, 427, 895, 1253, 1303, 1525, 2135, 4475, 6265, 6515, 9121, 10675, 10919, 31325, 32575, 45605, 54595, 76433, 79483, 228025, 233237, 272975, 382165, 397415, 556381, 1166185, 1632659, 1910825, 1987075, 2781905, 5830925, 8163295, 13909525, 14227457, 40816475, 71137285, 99592199, 355686425, 497960995, 2489804975]

約数ペア:

[(1, 2489804975), (5, 497960995), (7, 355686425), (25, 99592199), (35, 71137285), (61, 40816475), (175, 14227457), (179, 13909525), (305, 8163295), (427, 5830925), (895, 2781905), (1253, 1987075), (1303, 1910825), (1525, 1632659), (2135, 1166185), (4475, 556381), (6265, 397415), (6515, 382165), (9121, 272975), (10675, 233237), (10919, 228025), (31325, 79483), (32575, 76433), (45605, 54595)]