898049480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{3229}}^1$

素因数の和:3666

約数の個数: 64

約数和(自身を含む): 2145366000

約数和(自身を除く): 1247316520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 409, 680, 818, 1636, 2045, 3229, 3272, 4090, 6458, 6953, 8180, 12916, 13906, 16145, 16360, 25832, 27812, 32290, 34765, 54893, 55624, 64580, 69530, 109786, 129160, 139060, 219572, 274465, 278120, 439144, 548930, 1097860, 1320661, 2195720, 2641322, 5282644, 6603305, 10565288, 13206610, 22451237, 26413220, 44902474, 52826440, 89804948, 112256185, 179609896, 224512370, 449024740, 898049480]

約数ペア:

[(1, 898049480), (2, 449024740), (4, 224512370), (5, 179609896), (8, 112256185), (10, 89804948), (17, 52826440), (20, 44902474), (34, 26413220), (40, 22451237), (68, 13206610), (85, 10565288), (136, 6603305), (170, 5282644), (340, 2641322), (409, 2195720), (680, 1320661), (818, 1097860), (1636, 548930), (2045, 439144), (3229, 278120), (3272, 274465), (4090, 219572), (6458, 139060), (6953, 129160), (8180, 109786), (12916, 69530), (13906, 64580), (16145, 55624), (16360, 54893), (25832, 34765), (27812, 32290)]