128597950

素因数分解:

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

素因数の和:218

約数の個数: 72

約数和(自身を含む): 266186088

約数和(自身を除く): 137588138

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, 1849, 2150, 2675, 2782, 2795, 3698, 4601, 5350, 5590, 6955, 9202, 9245, 13910, 13975, 18490, 23005, 24037, 27950, 34775, 46010, 46225, 48074, 59813, 69550, 92450, 115025, 119626, 120185, 197843, 230050, 240370, 299065, 395686, 598130, 600925, 989215, 1201850, 1495325, 1978430, 2571959, 2990650, 4946075, 5143918, 9892150, 12859795, 25719590, 64298975, 128597950]

約数ペア:

[(1, 128597950), (2, 64298975), (5, 25719590), (10, 12859795), (13, 9892150), (25, 5143918), (26, 4946075), (43, 2990650), (50, 2571959), (65, 1978430), (86, 1495325), (107, 1201850), (130, 989215), (214, 600925), (215, 598130), (325, 395686), (430, 299065), (535, 240370), (559, 230050), (650, 197843), (1070, 120185), (1075, 119626), (1118, 115025), (1391, 92450), (1849, 69550), (2150, 59813), (2675, 48074), (2782, 46225), (2795, 46010), (3698, 34775), (4601, 27950), (5350, 24037), (5590, 23005), (6955, 18490), (9202, 13975), (9245, 13910)]