180542750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 359424000

約数和(自身を除く): 178881250

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 191, 199, 250, 382, 398, 475, 950, 955, 995, 1910, 1990, 2375, 3629, 3781, 4750, 4775, 4975, 7258, 7562, 9550, 9950, 18145, 18905, 23875, 24875, 36290, 37810, 38009, 47750, 49750, 76018, 90725, 94525, 181450, 189050, 190045, 380090, 453625, 472625, 722171, 907250, 945250, 950225, 1444342, 1900450, 3610855, 4751125, 7221710, 9502250, 18054275, 36108550, 90271375, 180542750]

約数ペア:

[(1, 180542750), (2, 90271375), (5, 36108550), (10, 18054275), (19, 9502250), (25, 7221710), (38, 4751125), (50, 3610855), (95, 1900450), (125, 1444342), (190, 950225), (191, 945250), (199, 907250), (250, 722171), (382, 472625), (398, 453625), (475, 380090), (950, 190045), (955, 189050), (995, 181450), (1910, 94525), (1990, 90725), (2375, 76018), (3629, 49750), (3781, 47750), (4750, 38009), (4775, 37810), (4975, 36290), (7258, 24875), (7562, 23875), (9550, 18905), (9950, 18145)]