978245970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1361}}^1$

素因数の和:1500

約数の個数: 128

約数和(自身を含む): 2690876160

約数和(自身を除く): 1712630190

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 97, 114, 130, 190, 194, 195, 247, 285, 291, 390, 485, 494, 570, 582, 741, 970, 1235, 1261, 1361, 1455, 1482, 1843, 2470, 2522, 2722, 2910, 3686, 3705, 3783, 4083, 5529, 6305, 6805, 7410, 7566, 8166, 9215, 11058, 12610, 13610, 17693, 18430, 18915, 20415, 23959, 25859, 27645, 35386, 37830, 40830, 47918, 51718, 53079, 55290, 71877, 77577, 88465, 106158, 119795, 129295, 132017, 143754, 155154, 176930, 239590, 258590, 264034, 265395, 336167, 359385, 387885, 396051, 530790, 660085, 672334, 718770, 775770, 792102, 1008501, 1320170, 1680835, 1716221, 1980255, 2017002, 2508323, 3361670, 3432442, 3960510, 5016646, 5042505, 5148663, 7524969, 8581105, 10085010, 10297326, 12541615, 15049938, 17162210, 25083230, 25743315, 32608199, 37624845, 51486630, 65216398, 75249690, 97824597, 163040995, 195649194, 326081990, 489122985, 978245970]

約数ペア:

[(1, 978245970), (2, 489122985), (3, 326081990), (5, 195649194), (6, 163040995), (10, 97824597), (13, 75249690), (15, 65216398), (19, 51486630), (26, 37624845), (30, 32608199), (38, 25743315), (39, 25083230), (57, 17162210), (65, 15049938), (78, 12541615), (95, 10297326), (97, 10085010), (114, 8581105), (130, 7524969), (190, 5148663), (194, 5042505), (195, 5016646), (247, 3960510), (285, 3432442), (291, 3361670), (390, 2508323), (485, 2017002), (494, 1980255), (570, 1716221), (582, 1680835), (741, 1320170), (970, 1008501), (1235, 792102), (1261, 775770), (1361, 718770), (1455, 672334), (1482, 660085), (1843, 530790), (2470, 396051), (2522, 387885), (2722, 359385), (2910, 336167), (3686, 265395), (3705, 264034), (3783, 258590), (4083, 239590), (5529, 176930), (6305, 155154), (6805, 143754), (7410, 132017), (7566, 129295), (8166, 119795), (9215, 106158), (11058, 88465), (12610, 77577), (13610, 71877), (17693, 55290), (18430, 53079), (18915, 51718), (20415, 47918), (23959, 40830), (25859, 37830), (27645, 35386)]