399470360

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{344371}}^1$

素因数の和:344411

約数の個数: 32

約数和(自身を含む): 929804400

約数和(自身を除く): 530334040

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 344371, 688742, 1377484, 1721855, 2754968, 3443710, 6887420, 9986759, 13774840, 19973518, 39947036, 49933795, 79894072, 99867590, 199735180, 399470360]

約数ペア:

[(1, 399470360), (2, 199735180), (4, 99867590), (5, 79894072), (8, 49933795), (10, 39947036), (20, 19973518), (29, 13774840), (40, 9986759), (58, 6887420), (116, 3443710), (145, 2754968), (232, 1721855), (290, 1377484), (580, 688742), (1160, 344371)]