28887080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1847}}^1$

素因数の和:1898

約数の個数: 64

約数和(自身を含む): 71850240

約数和(自身を除く): 42963160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 680, 782, 920, 1564, 1847, 1955, 3128, 3694, 3910, 7388, 7820, 9235, 14776, 15640, 18470, 31399, 36940, 42481, 62798, 73880, 84962, 125596, 156995, 169924, 212405, 251192, 313990, 339848, 424810, 627980, 722177, 849620, 1255960, 1444354, 1699240, 2888708, 3610885, 5777416, 7221770, 14443540, 28887080]

約数ペア:

[(1, 28887080), (2, 14443540), (4, 7221770), (5, 5777416), (8, 3610885), (10, 2888708), (17, 1699240), (20, 1444354), (23, 1255960), (34, 849620), (40, 722177), (46, 627980), (68, 424810), (85, 339848), (92, 313990), (115, 251192), (136, 212405), (170, 169924), (184, 156995), (230, 125596), (340, 84962), (391, 73880), (460, 62798), (680, 42481), (782, 36940), (920, 31399), (1564, 18470), (1847, 15640), (1955, 14776), (3128, 9235), (3694, 7820), (3910, 7388)]