38984680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:179

約数の個数: 128

約数和(自身を含む): 106375680

約数和(自身を除く): 67391000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 53, 56, 70, 71, 74, 106, 140, 142, 148, 185, 212, 259, 265, 280, 284, 296, 355, 370, 371, 424, 497, 518, 530, 568, 710, 740, 742, 994, 1036, 1060, 1295, 1420, 1480, 1484, 1855, 1961, 1988, 2072, 2120, 2485, 2590, 2627, 2840, 2968, 3710, 3763, 3922, 3976, 4970, 5180, 5254, 7420, 7526, 7844, 9805, 9940, 10360, 10508, 13135, 13727, 14840, 15052, 15688, 18389, 18815, 19610, 19880, 21016, 26270, 26341, 27454, 30104, 36778, 37630, 39220, 52540, 52682, 54908, 68635, 73556, 75260, 78440, 91945, 105080, 105364, 109816, 131705, 137270, 139231, 147112, 150520, 183890, 210728, 263410, 274540, 278462, 367780, 526820, 549080, 556924, 696155, 735560, 974617, 1053640, 1113848, 1392310, 1949234, 2784620, 3898468, 4873085, 5569240, 7796936, 9746170, 19492340, 38984680]

約数ペア:

[(1, 38984680), (2, 19492340), (4, 9746170), (5, 7796936), (7, 5569240), (8, 4873085), (10, 3898468), (14, 2784620), (20, 1949234), (28, 1392310), (35, 1113848), (37, 1053640), (40, 974617), (53, 735560), (56, 696155), (70, 556924), (71, 549080), (74, 526820), (106, 367780), (140, 278462), (142, 274540), (148, 263410), (185, 210728), (212, 183890), (259, 150520), (265, 147112), (280, 139231), (284, 137270), (296, 131705), (355, 109816), (370, 105364), (371, 105080), (424, 91945), (497, 78440), (518, 75260), (530, 73556), (568, 68635), (710, 54908), (740, 52682), (742, 52540), (994, 39220), (1036, 37630), (1060, 36778), (1295, 30104), (1420, 27454), (1480, 26341), (1484, 26270), (1855, 21016), (1961, 19880), (1988, 19610), (2072, 18815), (2120, 18389), (2485, 15688), (2590, 15052), (2627, 14840), (2840, 13727), (2968, 13135), (3710, 10508), (3763, 10360), (3922, 9940), (3976, 9805), (4970, 7844), (5180, 7526), (5254, 7420)]