3489980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 8166144

約数和(自身を除く): 4676164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 433, 620, 806, 866, 1612, 1732, 2015, 2165, 4030, 4330, 5629, 8060, 8660, 11258, 13423, 22516, 26846, 28145, 53692, 56290, 67115, 112580, 134230, 174499, 268460, 348998, 697996, 872495, 1744990, 3489980]

約数ペア:

[(1, 3489980), (2, 1744990), (4, 872495), (5, 697996), (10, 348998), (13, 268460), (20, 174499), (26, 134230), (31, 112580), (52, 67115), (62, 56290), (65, 53692), (124, 28145), (130, 26846), (155, 22516), (260, 13423), (310, 11258), (403, 8660), (433, 8060), (620, 5629), (806, 4330), (866, 4030), (1612, 2165), (1732, 2015)]