2125850

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 48

約数和(自身を含む): 4359096

約数和(自身を除く): 2233246

約数列:

[1, 2, 5, 10, 17, 25, 34, 41, 50, 61, 82, 85, 122, 170, 205, 305, 410, 425, 610, 697, 850, 1025, 1037, 1394, 1525, 2050, 2074, 2501, 3050, 3485, 5002, 5185, 6970, 10370, 12505, 17425, 25010, 25925, 34850, 42517, 51850, 62525, 85034, 125050, 212585, 425170, 1062925, 2125850]

約数ペア:

[(1, 2125850), (2, 1062925), (5, 425170), (10, 212585), (17, 125050), (25, 85034), (34, 62525), (41, 51850), (50, 42517), (61, 34850), (82, 25925), (85, 25010), (122, 17425), (170, 12505), (205, 10370), (305, 6970), (410, 5185), (425, 5002), (610, 3485), (697, 3050), (850, 2501), (1025, 2074), (1037, 2050), (1394, 1525)]