7926340

素因数分解:

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

素因数の和:232

約数の個数: 48

約数和(自身を含む): 17342640

約数和(自身を除く): 9416300

約数列:

[1, 2, 4, 5, 10, 20, 61, 73, 89, 122, 146, 178, 244, 292, 305, 356, 365, 445, 610, 730, 890, 1220, 1460, 1780, 4453, 5429, 6497, 8906, 10858, 12994, 17812, 21716, 22265, 25988, 27145, 32485, 44530, 54290, 64970, 89060, 108580, 129940, 396317, 792634, 1585268, 1981585, 3963170, 7926340]

約数ペア:

[(1, 7926340), (2, 3963170), (4, 1981585), (5, 1585268), (10, 792634), (20, 396317), (61, 129940), (73, 108580), (89, 89060), (122, 64970), (146, 54290), (178, 44530), (244, 32485), (292, 27145), (305, 25988), (356, 22265), (365, 21716), (445, 17812), (610, 12994), (730, 10858), (890, 8906), (1220, 6497), (1460, 5429), (1780, 4453)]