239607940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:653

約数の個数: 96

約数和(自身を含む): 595526400

約数和(自身を除く): 355918460

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 199, 220, 260, 286, 398, 421, 572, 715, 796, 842, 995, 1430, 1684, 1990, 2105, 2189, 2587, 2860, 3980, 4210, 4378, 4631, 5174, 5473, 8420, 8756, 9262, 10348, 10945, 10946, 12935, 18524, 21890, 21892, 23155, 25870, 27365, 28457, 43780, 46310, 51740, 54730, 56914, 60203, 83779, 92620, 109460, 113828, 120406, 142285, 167558, 240812, 284570, 301015, 335116, 418895, 569140, 602030, 837790, 921569, 1089127, 1204060, 1675580, 1843138, 2178254, 3686276, 4356508, 4607845, 5445635, 9215690, 10891270, 11980397, 18431380, 21782540, 23960794, 47921588, 59901985, 119803970, 239607940]

約数ペア:

[(1, 239607940), (2, 119803970), (4, 59901985), (5, 47921588), (10, 23960794), (11, 21782540), (13, 18431380), (20, 11980397), (22, 10891270), (26, 9215690), (44, 5445635), (52, 4607845), (55, 4356508), (65, 3686276), (110, 2178254), (130, 1843138), (143, 1675580), (199, 1204060), (220, 1089127), (260, 921569), (286, 837790), (398, 602030), (421, 569140), (572, 418895), (715, 335116), (796, 301015), (842, 284570), (995, 240812), (1430, 167558), (1684, 142285), (1990, 120406), (2105, 113828), (2189, 109460), (2587, 92620), (2860, 83779), (3980, 60203), (4210, 56914), (4378, 54730), (4631, 51740), (5174, 46310), (5473, 43780), (8420, 28457), (8756, 27365), (9262, 25870), (10348, 23155), (10945, 21892), (10946, 21890), (12935, 18524)]