388778910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:402

約数の個数: 128

約数和(自身を含む): 1043159040

約数和(自身を除く): 654380130

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 43, 65, 78, 86, 97, 129, 130, 194, 195, 215, 239, 258, 291, 390, 430, 478, 485, 559, 582, 645, 717, 970, 1118, 1195, 1261, 1290, 1434, 1455, 1677, 2390, 2522, 2795, 2910, 3107, 3354, 3585, 3783, 4171, 5590, 6214, 6305, 7170, 7566, 8342, 8385, 9321, 10277, 12513, 12610, 15535, 16770, 18642, 18915, 20554, 20855, 23183, 25026, 30831, 31070, 37830, 41710, 46366, 46605, 51385, 54223, 61662, 62565, 69549, 93210, 102770, 108446, 115915, 125130, 133601, 139098, 154155, 162669, 231830, 267202, 271115, 301379, 308310, 325338, 347745, 400803, 542230, 602758, 668005, 695490, 801606, 813345, 904137, 996869, 1336010, 1506895, 1626690, 1808274, 1993738, 2004015, 2990607, 3013790, 4008030, 4520685, 4984345, 5981214, 9041370, 9968690, 12959297, 14953035, 25918594, 29906070, 38877891, 64796485, 77755782, 129592970, 194389455, 388778910]

約数ペア:

[(1, 388778910), (2, 194389455), (3, 129592970), (5, 77755782), (6, 64796485), (10, 38877891), (13, 29906070), (15, 25918594), (26, 14953035), (30, 12959297), (39, 9968690), (43, 9041370), (65, 5981214), (78, 4984345), (86, 4520685), (97, 4008030), (129, 3013790), (130, 2990607), (194, 2004015), (195, 1993738), (215, 1808274), (239, 1626690), (258, 1506895), (291, 1336010), (390, 996869), (430, 904137), (478, 813345), (485, 801606), (559, 695490), (582, 668005), (645, 602758), (717, 542230), (970, 400803), (1118, 347745), (1195, 325338), (1261, 308310), (1290, 301379), (1434, 271115), (1455, 267202), (1677, 231830), (2390, 162669), (2522, 154155), (2795, 139098), (2910, 133601), (3107, 125130), (3354, 115915), (3585, 108446), (3783, 102770), (4171, 93210), (5590, 69549), (6214, 62565), (6305, 61662), (7170, 54223), (7566, 51385), (8342, 46605), (8385, 46366), (9321, 41710), (10277, 37830), (12513, 31070), (12610, 30831), (15535, 25026), (16770, 23183), (18642, 20855), (18915, 20554)]