242567890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{887}}^1$

素因数の和:987

約数の個数: 64

約数和(自身を含む): 483356160

約数和(自身を除く): 240788270

約数列:

[1, 2, 5, 10, 23, 29, 41, 46, 58, 82, 115, 145, 205, 230, 290, 410, 667, 887, 943, 1189, 1334, 1774, 1886, 2378, 3335, 4435, 4715, 5945, 6670, 8870, 9430, 11890, 20401, 25723, 27347, 36367, 40802, 51446, 54694, 72734, 102005, 128615, 136735, 181835, 204010, 257230, 273470, 363670, 591629, 836441, 1054643, 1183258, 1672882, 2109286, 2958145, 4182205, 5273215, 5916290, 8364410, 10546430, 24256789, 48513578, 121283945, 242567890]

約数ペア:

[(1, 242567890), (2, 121283945), (5, 48513578), (10, 24256789), (23, 10546430), (29, 8364410), (41, 5916290), (46, 5273215), (58, 4182205), (82, 2958145), (115, 2109286), (145, 1672882), (205, 1183258), (230, 1054643), (290, 836441), (410, 591629), (667, 363670), (887, 273470), (943, 257230), (1189, 204010), (1334, 181835), (1774, 136735), (1886, 128615), (2378, 102005), (3335, 72734), (4435, 54694), (4715, 51446), (5945, 40802), (6670, 36367), (8870, 27347), (9430, 25723), (11890, 20401)]