408928564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{509}}^1$

素因数の和:605

約数の個数: 72

約数和(自身を含む): 850802400

約数和(自身を除く): 441873836

約数列:

[1, 2, 4, 11, 19, 22, 31, 38, 44, 62, 76, 124, 209, 341, 418, 509, 589, 682, 836, 961, 1018, 1178, 1364, 1922, 2036, 2356, 3844, 5599, 6479, 9671, 10571, 11198, 12958, 15779, 18259, 19342, 21142, 22396, 25916, 31558, 36518, 38684, 42284, 63116, 73036, 106381, 173569, 200849, 212762, 299801, 347138, 401698, 425524, 489149, 599602, 694276, 803396, 978298, 1199204, 1956596, 3297811, 5380639, 6595622, 9293831, 10761278, 13191244, 18587662, 21522556, 37175324, 102232141, 204464282, 408928564]

約数ペア:

[(1, 408928564), (2, 204464282), (4, 102232141), (11, 37175324), (19, 21522556), (22, 18587662), (31, 13191244), (38, 10761278), (44, 9293831), (62, 6595622), (76, 5380639), (124, 3297811), (209, 1956596), (341, 1199204), (418, 978298), (509, 803396), (589, 694276), (682, 599602), (836, 489149), (961, 425524), (1018, 401698), (1178, 347138), (1364, 299801), (1922, 212762), (2036, 200849), (2356, 173569), (3844, 106381), (5599, 73036), (6479, 63116), (9671, 42284), (10571, 38684), (11198, 36518), (12958, 31558), (15779, 25916), (18259, 22396), (19342, 21142)]