208768240

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1367}}^1$

素因数の和:1486

約数の個数: 80

約数和(自身を含む): 512967168

約数和(自身を除く): 304198928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 83, 92, 115, 166, 184, 230, 332, 368, 415, 460, 664, 830, 920, 1328, 1367, 1660, 1840, 1909, 2734, 3320, 3818, 5468, 6640, 6835, 7636, 9545, 10936, 13670, 15272, 19090, 21872, 27340, 30544, 31441, 38180, 54680, 62882, 76360, 109360, 113461, 125764, 152720, 157205, 226922, 251528, 314410, 453844, 503056, 567305, 628820, 907688, 1134610, 1257640, 1815376, 2269220, 2515280, 2609603, 4538440, 5219206, 9076880, 10438412, 13048015, 20876824, 26096030, 41753648, 52192060, 104384120, 208768240]

約数ペア:

[(1, 208768240), (2, 104384120), (4, 52192060), (5, 41753648), (8, 26096030), (10, 20876824), (16, 13048015), (20, 10438412), (23, 9076880), (40, 5219206), (46, 4538440), (80, 2609603), (83, 2515280), (92, 2269220), (115, 1815376), (166, 1257640), (184, 1134610), (230, 907688), (332, 628820), (368, 567305), (415, 503056), (460, 453844), (664, 314410), (830, 251528), (920, 226922), (1328, 157205), (1367, 152720), (1660, 125764), (1840, 113461), (1909, 109360), (2734, 76360), (3320, 62882), (3818, 54680), (5468, 38180), (6640, 31441), (6835, 30544), (7636, 27340), (9545, 21872), (10936, 19090), (13670, 15272)]