400399992

素因数分解:

$2^3\times 3^2\times {\mathrm{107}}^1\times {\mathrm{51973}}^1$

素因数の和:52092

約数の個数: 48

約数和(自身を含む): 1094572440

約数和(自身を除く): 694172448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 107, 214, 321, 428, 642, 856, 963, 1284, 1926, 2568, 3852, 7704, 51973, 103946, 155919, 207892, 311838, 415784, 467757, 623676, 935514, 1247352, 1871028, 3742056, 5561111, 11122222, 16683333, 22244444, 33366666, 44488888, 50049999, 66733332, 100099998, 133466664, 200199996, 400399992]

約数ペア:

[(1, 400399992), (2, 200199996), (3, 133466664), (4, 100099998), (6, 66733332), (8, 50049999), (9, 44488888), (12, 33366666), (18, 22244444), (24, 16683333), (36, 11122222), (72, 5561111), (107, 3742056), (214, 1871028), (321, 1247352), (428, 935514), (642, 623676), (856, 467757), (963, 415784), (1284, 311838), (1926, 207892), (2568, 155919), (3852, 103946), (7704, 51973)]