395274320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{30689}}^1$

素因数の和:30732

約数の個数: 80

約数和(自身を含む): 1096001280

約数和(自身を除く): 700726960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12880, 30689, 61378, 122756, 153445, 214823, 245512, 306890, 429646, 491024, 613780, 705847, 859292, 1074115, 1227560, 1411694, 1718584, 2148230, 2455120, 2823388, 3437168, 3529235, 4296460, 4940929, 5646776, 7058470, 8592920, 9881858, 11293552, 14116940, 17185840, 19763716, 24704645, 28233880, 39527432, 49409290, 56467760, 79054864, 98818580, 197637160, 395274320]

約数ペア:

[(1, 395274320), (2, 197637160), (4, 98818580), (5, 79054864), (7, 56467760), (8, 49409290), (10, 39527432), (14, 28233880), (16, 24704645), (20, 19763716), (23, 17185840), (28, 14116940), (35, 11293552), (40, 9881858), (46, 8592920), (56, 7058470), (70, 5646776), (80, 4940929), (92, 4296460), (112, 3529235), (115, 3437168), (140, 2823388), (161, 2455120), (184, 2148230), (230, 1718584), (280, 1411694), (322, 1227560), (368, 1074115), (460, 859292), (560, 705847), (644, 613780), (805, 491024), (920, 429646), (1288, 306890), (1610, 245512), (1840, 214823), (2576, 153445), (3220, 122756), (6440, 61378), (12880, 30689)]