389660760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{857}}^1$

素因数の和:1298

約数の個数: 128

約数和(自身を含む): 1303473600

約数和(自身を除く): 913812840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 421, 540, 842, 857, 1080, 1263, 1684, 1714, 2105, 2526, 2571, 3368, 3428, 3789, 4210, 4285, 5052, 5142, 6315, 6856, 7578, 7713, 8420, 8570, 10104, 10284, 11367, 12630, 12855, 15156, 15426, 16840, 17140, 18945, 20568, 22734, 23139, 25260, 25710, 30312, 30852, 34280, 37890, 38565, 45468, 46278, 50520, 51420, 56835, 61704, 75780, 77130, 90936, 92556, 102840, 113670, 115695, 151560, 154260, 185112, 227340, 231390, 308520, 360797, 454680, 462780, 721594, 925560, 1082391, 1443188, 1803985, 2164782, 2886376, 3247173, 3607970, 4329564, 5411955, 6494346, 7215940, 8659128, 9741519, 10823910, 12988692, 14431880, 16235865, 19483038, 21647820, 25977384, 32471730, 38966076, 43295640, 48707595, 64943460, 77932152, 97415190, 129886920, 194830380, 389660760]

約数ペア:

[(1, 389660760), (2, 194830380), (3, 129886920), (4, 97415190), (5, 77932152), (6, 64943460), (8, 48707595), (9, 43295640), (10, 38966076), (12, 32471730), (15, 25977384), (18, 21647820), (20, 19483038), (24, 16235865), (27, 14431880), (30, 12988692), (36, 10823910), (40, 9741519), (45, 8659128), (54, 7215940), (60, 6494346), (72, 5411955), (90, 4329564), (108, 3607970), (120, 3247173), (135, 2886376), (180, 2164782), (216, 1803985), (270, 1443188), (360, 1082391), (421, 925560), (540, 721594), (842, 462780), (857, 454680), (1080, 360797), (1263, 308520), (1684, 231390), (1714, 227340), (2105, 185112), (2526, 154260), (2571, 151560), (3368, 115695), (3428, 113670), (3789, 102840), (4210, 92556), (4285, 90936), (5052, 77130), (5142, 75780), (6315, 61704), (6856, 56835), (7578, 51420), (7713, 50520), (8420, 46278), (8570, 45468), (10104, 38565), (10284, 37890), (11367, 34280), (12630, 30852), (12855, 30312), (15156, 25710), (15426, 25260), (16840, 23139), (17140, 22734), (18945, 20568)]