381856125

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:284

約数の個数: 128

約数和(自身を含む): 790732800

約数和(自身を除く): 408876675

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 43, 51, 75, 85, 105, 119, 125, 129, 175, 199, 215, 255, 301, 357, 375, 425, 525, 595, 597, 645, 731, 875, 903, 995, 1075, 1275, 1393, 1505, 1785, 2125, 2193, 2625, 2975, 2985, 3225, 3383, 3655, 4179, 4515, 4975, 5117, 5375, 6375, 6965, 7525, 8557, 8925, 10149, 10965, 14875, 14925, 15351, 16125, 16915, 18275, 20895, 22575, 23681, 24875, 25585, 25671, 34825, 37625, 42785, 44625, 50745, 54825, 59899, 71043, 74625, 76755, 84575, 91375, 104475, 112875, 118405, 127925, 128355, 145469, 174125, 179697, 213925, 253725, 274125, 299495, 355215, 383775, 422875, 436407, 522375, 592025, 639625, 641775, 727345, 898485, 1018283, 1069625, 1268625, 1497475, 1776075, 1918875, 2182035, 2960125, 3054849, 3208875, 3636725, 4492425, 5091415, 7487375, 8880375, 10910175, 15274245, 18183625, 22462125, 25457075, 54550875, 76371225, 127285375, 381856125]

約数ペア:

[(1, 381856125), (3, 127285375), (5, 76371225), (7, 54550875), (15, 25457075), (17, 22462125), (21, 18183625), (25, 15274245), (35, 10910175), (43, 8880375), (51, 7487375), (75, 5091415), (85, 4492425), (105, 3636725), (119, 3208875), (125, 3054849), (129, 2960125), (175, 2182035), (199, 1918875), (215, 1776075), (255, 1497475), (301, 1268625), (357, 1069625), (375, 1018283), (425, 898485), (525, 727345), (595, 641775), (597, 639625), (645, 592025), (731, 522375), (875, 436407), (903, 422875), (995, 383775), (1075, 355215), (1275, 299495), (1393, 274125), (1505, 253725), (1785, 213925), (2125, 179697), (2193, 174125), (2625, 145469), (2975, 128355), (2985, 127925), (3225, 118405), (3383, 112875), (3655, 104475), (4179, 91375), (4515, 84575), (4975, 76755), (5117, 74625), (5375, 71043), (6375, 59899), (6965, 54825), (7525, 50745), (8557, 44625), (8925, 42785), (10149, 37625), (10965, 34825), (14875, 25671), (14925, 25585), (15351, 24875), (16125, 23681), (16915, 22575), (18275, 20895)]