2490804940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^3\times {\mathrm{139}}^1$

素因数の和:284

約数の個数: 96

約数和(自身を含む): 5815414080

約数和(自身を除く): 3324609140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 139, 164, 205, 260, 278, 410, 533, 556, 695, 820, 1066, 1390, 1681, 1807, 2132, 2665, 2780, 3362, 3614, 5330, 5699, 6724, 7228, 8405, 9035, 10660, 11398, 16810, 18070, 21853, 22796, 28495, 33620, 36140, 43706, 56990, 68921, 74087, 87412, 109265, 113980, 137842, 148174, 218530, 233659, 275684, 296348, 344605, 370435, 437060, 467318, 689210, 740870, 895973, 934636, 1168295, 1378420, 1481740, 1791946, 2336590, 3037567, 3583892, 4479865, 4673180, 6075134, 8959730, 9580019, 12150268, 15187835, 17919460, 19160038, 30375670, 38320076, 47900095, 60751340, 95800190, 124540247, 191600380, 249080494, 498160988, 622701235, 1245402470, 2490804940]

約数ペア:

[(1, 2490804940), (2, 1245402470), (4, 622701235), (5, 498160988), (10, 249080494), (13, 191600380), (20, 124540247), (26, 95800190), (41, 60751340), (52, 47900095), (65, 38320076), (82, 30375670), (130, 19160038), (139, 17919460), (164, 15187835), (205, 12150268), (260, 9580019), (278, 8959730), (410, 6075134), (533, 4673180), (556, 4479865), (695, 3583892), (820, 3037567), (1066, 2336590), (1390, 1791946), (1681, 1481740), (1807, 1378420), (2132, 1168295), (2665, 934636), (2780, 895973), (3362, 740870), (3614, 689210), (5330, 467318), (5699, 437060), (6724, 370435), (7228, 344605), (8405, 296348), (9035, 275684), (10660, 233659), (11398, 218530), (16810, 148174), (18070, 137842), (21853, 113980), (22796, 109265), (28495, 87412), (33620, 74087), (36140, 68921), (43706, 56990)]