427180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:106

約数の個数: 48

約数和(自身を含む): 1016064

約数和(自身を除く): 588884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 53, 62, 65, 106, 124, 130, 155, 212, 260, 265, 310, 403, 530, 620, 689, 806, 1060, 1378, 1612, 1643, 2015, 2756, 3286, 3445, 4030, 6572, 6890, 8060, 8215, 13780, 16430, 21359, 32860, 42718, 85436, 106795, 213590, 427180]

約数ペア:

[(1, 427180), (2, 213590), (4, 106795), (5, 85436), (10, 42718), (13, 32860), (20, 21359), (26, 16430), (31, 13780), (52, 8215), (53, 8060), (62, 6890), (65, 6572), (106, 4030), (124, 3445), (130, 3286), (155, 2756), (212, 2015), (260, 1643), (265, 1612), (310, 1378), (403, 1060), (530, 806), (620, 689)]