7206940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{523}}^1$

素因数の和:598

約数の個数: 48

約数和(自身を含む): 16638048

約数和(自身を除く): 9431108

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 523, 530, 689, 1046, 1060, 1378, 2092, 2615, 2756, 3445, 5230, 6799, 6890, 10460, 13598, 13780, 27196, 27719, 33995, 55438, 67990, 110876, 135980, 138595, 277190, 360347, 554380, 720694, 1441388, 1801735, 3603470, 7206940]

約数ペア:

[(1, 7206940), (2, 3603470), (4, 1801735), (5, 1441388), (10, 720694), (13, 554380), (20, 360347), (26, 277190), (52, 138595), (53, 135980), (65, 110876), (106, 67990), (130, 55438), (212, 33995), (260, 27719), (265, 27196), (523, 13780), (530, 13598), (689, 10460), (1046, 6890), (1060, 6799), (1378, 5230), (2092, 3445), (2615, 2756)]