1728213970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{27647}}^1$

素因数の和:27727

約数の個数: 64

約数和(自身を含む): 3822059520

約数和(自身を除く): 2093845550

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 47, 70, 94, 95, 133, 190, 235, 266, 329, 470, 658, 665, 893, 1330, 1645, 1786, 3290, 4465, 6251, 8930, 12502, 27647, 31255, 55294, 62510, 138235, 193529, 276470, 387058, 525293, 967645, 1050586, 1299409, 1935290, 2598818, 2626465, 3677051, 5252930, 6497045, 7354102, 9095863, 12994090, 18191726, 18385255, 24688771, 36770510, 45479315, 49377542, 90958630, 123443855, 172821397, 246887710, 345642794, 864106985, 1728213970]

約数ペア:

[(1, 1728213970), (2, 864106985), (5, 345642794), (7, 246887710), (10, 172821397), (14, 123443855), (19, 90958630), (35, 49377542), (38, 45479315), (47, 36770510), (70, 24688771), (94, 18385255), (95, 18191726), (133, 12994090), (190, 9095863), (235, 7354102), (266, 6497045), (329, 5252930), (470, 3677051), (658, 2626465), (665, 2598818), (893, 1935290), (1330, 1299409), (1645, 1050586), (1786, 967645), (3290, 525293), (4465, 387058), (6251, 276470), (8930, 193529), (12502, 138235), (27647, 62510), (31255, 55294)]