19990050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1877}}^1$

素因数の和:1963

約数の個数: 48

約数和(自身を含む): 50300352

約数和(自身を除く): 30310302

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 71, 75, 142, 150, 213, 355, 426, 710, 1065, 1775, 1877, 2130, 3550, 3754, 5325, 5631, 9385, 10650, 11262, 18770, 28155, 46925, 56310, 93850, 133267, 140775, 266534, 281550, 399801, 666335, 799602, 1332670, 1999005, 3331675, 3998010, 6663350, 9995025, 19990050]

約数ペア:

[(1, 19990050), (2, 9995025), (3, 6663350), (5, 3998010), (6, 3331675), (10, 1999005), (15, 1332670), (25, 799602), (30, 666335), (50, 399801), (71, 281550), (75, 266534), (142, 140775), (150, 133267), (213, 93850), (355, 56310), (426, 46925), (710, 28155), (1065, 18770), (1775, 11262), (1877, 10650), (2130, 9385), (3550, 5631), (3754, 5325)]