2990650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:175

約数の個数: 48

約数和(自身を含む): 6187104

約数和(自身を除く): 3196454

約数列:

[1, 2, 5, 10, 13, 25, 26, 43, 50, 65, 86, 107, 130, 214, 215, 325, 430, 535, 559, 650, 1070, 1075, 1118, 1391, 2150, 2675, 2782, 2795, 4601, 5350, 5590, 6955, 9202, 13910, 13975, 23005, 27950, 34775, 46010, 59813, 69550, 115025, 119626, 230050, 299065, 598130, 1495325, 2990650]

約数ペア:

[(1, 2990650), (2, 1495325), (5, 598130), (10, 299065), (13, 230050), (25, 119626), (26, 115025), (43, 69550), (50, 59813), (65, 46010), (86, 34775), (107, 27950), (130, 23005), (214, 13975), (215, 13910), (325, 9202), (430, 6955), (535, 5590), (559, 5350), (650, 4601), (1070, 2795), (1075, 2782), (1118, 2675), (1391, 2150)]