680399352

素因数分解:

$2^3\times 3^4\times {\mathrm{1049999}}^1$

素因数の和:1050017

約数の個数: 40

約数和(自身を含む): 1905750000

約数和(自身を除く): 1225350648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 1049999, 2099998, 3149997, 4199996, 6299994, 8399992, 9449991, 12599988, 18899982, 25199976, 28349973, 37799964, 56699946, 75599928, 85049919, 113399892, 170099838, 226799784, 340199676, 680399352]

約数ペア:

[(1, 680399352), (2, 340199676), (3, 226799784), (4, 170099838), (6, 113399892), (8, 85049919), (9, 75599928), (12, 56699946), (18, 37799964), (24, 28349973), (27, 25199976), (36, 18899982), (54, 12599988), (72, 9449991), (81, 8399992), (108, 6299994), (162, 4199996), (216, 3149997), (324, 2099998), (648, 1049999)]