84012980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{2399}}^1$

素因数の和:2528

約数の個数: 48

約数和(自身を含む): 188697600

約数和(自身を除く): 104684620

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 103, 170, 206, 340, 412, 515, 1030, 1751, 2060, 2399, 3502, 4798, 7004, 8755, 9596, 11995, 17510, 23990, 35020, 40783, 47980, 81566, 163132, 203915, 247097, 407830, 494194, 815660, 988388, 1235485, 2470970, 4200649, 4941940, 8401298, 16802596, 21003245, 42006490, 84012980]

約数ペア:

[(1, 84012980), (2, 42006490), (4, 21003245), (5, 16802596), (10, 8401298), (17, 4941940), (20, 4200649), (34, 2470970), (68, 1235485), (85, 988388), (103, 815660), (170, 494194), (206, 407830), (340, 247097), (412, 203915), (515, 163132), (1030, 81566), (1751, 47980), (2060, 40783), (2399, 35020), (3502, 23990), (4798, 17510), (7004, 11995), (8755, 9596)]