39556100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:333

約数の個数: 72

約数和(自身を含む): 91660800

約数和(自身を除く): 52104700

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 109, 190, 191, 218, 380, 382, 436, 475, 545, 764, 950, 955, 1090, 1900, 1910, 2071, 2180, 2725, 3629, 3820, 4142, 4775, 5450, 7258, 8284, 9550, 10355, 10900, 14516, 18145, 19100, 20710, 20819, 36290, 41420, 41638, 51775, 72580, 83276, 90725, 103550, 104095, 181450, 207100, 208190, 362900, 395561, 416380, 520475, 791122, 1040950, 1582244, 1977805, 2081900, 3955610, 7911220, 9889025, 19778050, 39556100]

約数ペア:

[(1, 39556100), (2, 19778050), (4, 9889025), (5, 7911220), (10, 3955610), (19, 2081900), (20, 1977805), (25, 1582244), (38, 1040950), (50, 791122), (76, 520475), (95, 416380), (100, 395561), (109, 362900), (190, 208190), (191, 207100), (218, 181450), (380, 104095), (382, 103550), (436, 90725), (475, 83276), (545, 72580), (764, 51775), (950, 41638), (955, 41420), (1090, 36290), (1900, 20819), (1910, 20710), (2071, 19100), (2180, 18145), (2725, 14516), (3629, 10900), (3820, 10355), (4142, 9550), (4775, 8284), (5450, 7258)]