1009177780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{727}}^1$

素因数の和:1049

約数の個数: 96

約数和(自身を含む): 2414280960

約数和(自身を除く): 1405103180

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 281, 380, 494, 562, 727, 988, 1124, 1235, 1405, 1454, 2470, 2810, 2908, 3635, 3653, 4940, 5339, 5620, 7270, 7306, 9451, 10678, 13813, 14540, 14612, 18265, 18902, 21356, 26695, 27626, 36530, 37804, 47255, 53390, 55252, 69065, 69407, 73060, 94510, 106780, 138130, 138814, 179569, 189020, 204287, 276260, 277628, 347035, 359138, 408574, 694070, 718276, 817148, 897845, 1021435, 1388140, 1795690, 2042870, 2655731, 3591380, 3881453, 4085740, 5311462, 7762906, 10622924, 13278655, 15525812, 19407265, 26557310, 38814530, 50458889, 53114620, 77629060, 100917778, 201835556, 252294445, 504588890, 1009177780]

約数ペア:

[(1, 1009177780), (2, 504588890), (4, 252294445), (5, 201835556), (10, 100917778), (13, 77629060), (19, 53114620), (20, 50458889), (26, 38814530), (38, 26557310), (52, 19407265), (65, 15525812), (76, 13278655), (95, 10622924), (130, 7762906), (190, 5311462), (247, 4085740), (260, 3881453), (281, 3591380), (380, 2655731), (494, 2042870), (562, 1795690), (727, 1388140), (988, 1021435), (1124, 897845), (1235, 817148), (1405, 718276), (1454, 694070), (2470, 408574), (2810, 359138), (2908, 347035), (3635, 277628), (3653, 276260), (4940, 204287), (5339, 189020), (5620, 179569), (7270, 138814), (7306, 138130), (9451, 106780), (10678, 94510), (13813, 73060), (14540, 69407), (14612, 69065), (18265, 55252), (18902, 53390), (21356, 47255), (26695, 37804), (27626, 36530)]