289311410

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^2\times {\mathrm{89}}^1$

素因数の和:303

約数の個数: 48

約数和(自身を含む): 542677320

約数和(自身を除く): 253365910

約数列:

[1, 2, 5, 10, 61, 73, 89, 122, 146, 178, 305, 365, 445, 610, 730, 890, 4453, 5329, 5429, 6497, 8906, 10658, 10858, 12994, 22265, 26645, 27145, 32485, 44530, 53290, 54290, 64970, 325069, 396317, 474281, 650138, 792634, 948562, 1625345, 1981585, 2371405, 3250690, 3963170, 4742810, 28931141, 57862282, 144655705, 289311410]

約数ペア:

[(1, 289311410), (2, 144655705), (5, 57862282), (10, 28931141), (61, 4742810), (73, 3963170), (89, 3250690), (122, 2371405), (146, 1981585), (178, 1625345), (305, 948562), (365, 792634), (445, 650138), (610, 474281), (730, 396317), (890, 325069), (4453, 64970), (5329, 54290), (5429, 53290), (6497, 44530), (8906, 32485), (10658, 27145), (10858, 26645), (12994, 22265)]