20028750

素因数分解:

$2^1\times 3^1\times 5^4\times 7^2\times {\mathrm{109}}^1$

素因数の和:148

約数の個数: 120

約数和(自身を含む): 58762440

約数和(自身を除く): 38733690

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 49, 50, 70, 75, 98, 105, 109, 125, 147, 150, 175, 210, 218, 245, 250, 294, 327, 350, 375, 490, 525, 545, 625, 654, 735, 750, 763, 875, 1050, 1090, 1225, 1250, 1470, 1526, 1635, 1750, 1875, 2289, 2450, 2625, 2725, 3270, 3675, 3750, 3815, 4375, 4578, 5250, 5341, 5450, 6125, 7350, 7630, 8175, 8750, 10682, 11445, 12250, 13125, 13625, 16023, 16350, 18375, 19075, 22890, 26250, 26705, 27250, 30625, 32046, 36750, 38150, 40875, 53410, 57225, 61250, 68125, 80115, 81750, 91875, 95375, 114450, 133525, 136250, 160230, 183750, 190750, 204375, 267050, 286125, 400575, 408750, 476875, 572250, 667625, 801150, 953750, 1335250, 1430625, 2002875, 2861250, 3338125, 4005750, 6676250, 10014375, 20028750]

約数ペア:

[(1, 20028750), (2, 10014375), (3, 6676250), (5, 4005750), (6, 3338125), (7, 2861250), (10, 2002875), (14, 1430625), (15, 1335250), (21, 953750), (25, 801150), (30, 667625), (35, 572250), (42, 476875), (49, 408750), (50, 400575), (70, 286125), (75, 267050), (98, 204375), (105, 190750), (109, 183750), (125, 160230), (147, 136250), (150, 133525), (175, 114450), (210, 95375), (218, 91875), (245, 81750), (250, 80115), (294, 68125), (327, 61250), (350, 57225), (375, 53410), (490, 40875), (525, 38150), (545, 36750), (625, 32046), (654, 30625), (735, 27250), (750, 26705), (763, 26250), (875, 22890), (1050, 19075), (1090, 18375), (1225, 16350), (1250, 16023), (1470, 13625), (1526, 13125), (1635, 12250), (1750, 11445), (1875, 10682), (2289, 8750), (2450, 8175), (2625, 7630), (2725, 7350), (3270, 6125), (3675, 5450), (3750, 5341), (3815, 5250), (4375, 4578)]