138355910

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:251

約数の個数: 128

約数和(自身を含む): 335232000

約数和(自身を除く): 196876090

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 49, 55, 70, 77, 95, 98, 110, 133, 154, 190, 193, 209, 245, 266, 343, 385, 386, 418, 490, 539, 665, 686, 770, 931, 965, 1045, 1078, 1330, 1351, 1463, 1715, 1862, 1930, 2090, 2123, 2695, 2702, 2926, 3430, 3667, 3773, 4246, 4655, 5390, 6517, 6755, 7315, 7334, 7546, 9310, 9457, 10241, 10615, 13034, 13510, 14630, 14861, 18335, 18865, 18914, 20482, 21230, 25669, 29722, 32585, 36670, 37730, 40337, 47285, 51205, 51338, 65170, 66199, 71687, 74305, 80674, 94570, 102410, 104027, 128345, 132398, 143374, 148610, 179683, 201685, 208054, 256690, 282359, 330995, 358435, 359366, 403370, 520135, 564718, 661990, 716870, 728189, 898415, 1040270, 1257781, 1411795, 1456378, 1796830, 1976513, 2515562, 2823590, 3640945, 3953026, 6288905, 7281890, 9882565, 12577810, 13835591, 19765130, 27671182, 69177955, 138355910]

約数ペア:

[(1, 138355910), (2, 69177955), (5, 27671182), (7, 19765130), (10, 13835591), (11, 12577810), (14, 9882565), (19, 7281890), (22, 6288905), (35, 3953026), (38, 3640945), (49, 2823590), (55, 2515562), (70, 1976513), (77, 1796830), (95, 1456378), (98, 1411795), (110, 1257781), (133, 1040270), (154, 898415), (190, 728189), (193, 716870), (209, 661990), (245, 564718), (266, 520135), (343, 403370), (385, 359366), (386, 358435), (418, 330995), (490, 282359), (539, 256690), (665, 208054), (686, 201685), (770, 179683), (931, 148610), (965, 143374), (1045, 132398), (1078, 128345), (1330, 104027), (1351, 102410), (1463, 94570), (1715, 80674), (1862, 74305), (1930, 71687), (2090, 66199), (2123, 65170), (2695, 51338), (2702, 51205), (2926, 47285), (3430, 40337), (3667, 37730), (3773, 36670), (4246, 32585), (4655, 29722), (5390, 25669), (6517, 21230), (6755, 20482), (7315, 18914), (7334, 18865), (7546, 18335), (9310, 14861), (9457, 14630), (10241, 13510), (10615, 13034)]