259025480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{269}}^1$

素因数の和:487

約数の個数: 128

約数和(自身を含む): 707616000

約数和(自身を除く): 448590520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 181, 190, 266, 269, 280, 362, 380, 532, 538, 665, 724, 760, 905, 1064, 1076, 1267, 1330, 1345, 1448, 1810, 1883, 2152, 2534, 2660, 2690, 3439, 3620, 3766, 5068, 5111, 5320, 5380, 6335, 6878, 7240, 7532, 9415, 10136, 10222, 10760, 12670, 13756, 15064, 17195, 18830, 20444, 24073, 25340, 25555, 27512, 34390, 35777, 37660, 40888, 48146, 48689, 50680, 51110, 68780, 71554, 75320, 96292, 97378, 102220, 120365, 137560, 143108, 178885, 192584, 194756, 204440, 240730, 243445, 286216, 340823, 357770, 389512, 481460, 486890, 681646, 715540, 925091, 962920, 973780, 1363292, 1431080, 1704115, 1850182, 1947560, 2726584, 3408230, 3700364, 4625455, 6475637, 6816460, 7400728, 9250910, 12951274, 13632920, 18501820, 25902548, 32378185, 37003640, 51805096, 64756370, 129512740, 259025480]

約数ペア:

[(1, 259025480), (2, 129512740), (4, 64756370), (5, 51805096), (7, 37003640), (8, 32378185), (10, 25902548), (14, 18501820), (19, 13632920), (20, 12951274), (28, 9250910), (35, 7400728), (38, 6816460), (40, 6475637), (56, 4625455), (70, 3700364), (76, 3408230), (95, 2726584), (133, 1947560), (140, 1850182), (152, 1704115), (181, 1431080), (190, 1363292), (266, 973780), (269, 962920), (280, 925091), (362, 715540), (380, 681646), (532, 486890), (538, 481460), (665, 389512), (724, 357770), (760, 340823), (905, 286216), (1064, 243445), (1076, 240730), (1267, 204440), (1330, 194756), (1345, 192584), (1448, 178885), (1810, 143108), (1883, 137560), (2152, 120365), (2534, 102220), (2660, 97378), (2690, 96292), (3439, 75320), (3620, 71554), (3766, 68780), (5068, 51110), (5111, 50680), (5320, 48689), (5380, 48146), (6335, 40888), (6878, 37660), (7240, 35777), (7532, 34390), (9415, 27512), (10136, 25555), (10222, 25340), (10760, 24073), (12670, 20444), (13756, 18830), (15064, 17195)]