1305301820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1607}}^1\times {\mathrm{2389}}^1$

素因数の和:4022

約数の個数: 48

約数和(自身を含む): 2905398720

約数和(自身を除く): 1600096900

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1607, 2389, 3214, 4778, 6428, 8035, 9556, 11945, 16070, 23890, 27319, 32140, 40613, 47780, 54638, 81226, 109276, 136595, 162452, 203065, 273190, 406130, 546380, 812260, 3839123, 7678246, 15356492, 19195615, 38391230, 65265091, 76782460, 130530182, 261060364, 326325455, 652650910, 1305301820]

約数ペア:

[(1, 1305301820), (2, 652650910), (4, 326325455), (5, 261060364), (10, 130530182), (17, 76782460), (20, 65265091), (34, 38391230), (68, 19195615), (85, 15356492), (170, 7678246), (340, 3839123), (1607, 812260), (2389, 546380), (3214, 406130), (4778, 273190), (6428, 203065), (8035, 162452), (9556, 136595), (11945, 109276), (16070, 81226), (23890, 54638), (27319, 47780), (32140, 40613)]