420032392

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{6857}}^1$

素因数の和:6926

約数の個数: 64

約数和(自身を含む): 921715200

約数和(自身を除く): 501682808

約数列:

[1, 2, 4, 8, 13, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 247, 248, 403, 494, 589, 806, 988, 1178, 1612, 1976, 2356, 3224, 4712, 6857, 7657, 13714, 15314, 27428, 30628, 54856, 61256, 89141, 130283, 178282, 212567, 260566, 356564, 425134, 521132, 713128, 850268, 1042264, 1693679, 1700536, 2763371, 3387358, 4038773, 5526742, 6774716, 8077546, 11053484, 13549432, 16155092, 22106968, 32310184, 52504049, 105008098, 210016196, 420032392]

約数ペア:

[(1, 420032392), (2, 210016196), (4, 105008098), (8, 52504049), (13, 32310184), (19, 22106968), (26, 16155092), (31, 13549432), (38, 11053484), (52, 8077546), (62, 6774716), (76, 5526742), (104, 4038773), (124, 3387358), (152, 2763371), (247, 1700536), (248, 1693679), (403, 1042264), (494, 850268), (589, 713128), (806, 521132), (988, 425134), (1178, 356564), (1612, 260566), (1976, 212567), (2356, 178282), (3224, 130283), (4712, 89141), (6857, 61256), (7657, 54856), (13714, 30628), (15314, 27428)]