918267980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{159977}}^1$

素因数の和:160034

約数の個数: 48

約数和(自身を含む): 2257609536

約数和(自身を除く): 1339341556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 159977, 319954, 639908, 799885, 1119839, 1599770, 2239678, 3199540, 4479356, 5599195, 6559057, 11198390, 13118114, 22396780, 26236228, 32795285, 45913399, 65590570, 91826798, 131181140, 183653596, 229566995, 459133990, 918267980]

約数ペア:

[(1, 918267980), (2, 459133990), (4, 229566995), (5, 183653596), (7, 131181140), (10, 91826798), (14, 65590570), (20, 45913399), (28, 32795285), (35, 26236228), (41, 22396780), (70, 13118114), (82, 11198390), (140, 6559057), (164, 5599195), (205, 4479356), (287, 3199540), (410, 2239678), (574, 1599770), (820, 1119839), (1148, 799885), (1435, 639908), (2870, 319954), (5740, 159977)]