390460028

素因数分解:

$2^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:415

約数の個数: 72

約数和(自身を含む): 815109120

約数和(自身を除く): 424649092

約数列:

[1, 2, 4, 7, 14, 28, 49, 79, 98, 151, 158, 167, 196, 302, 316, 334, 553, 604, 668, 1057, 1106, 1169, 2114, 2212, 2338, 3871, 4228, 4676, 7399, 7742, 8183, 11929, 13193, 14798, 15484, 16366, 23858, 25217, 26386, 29596, 32732, 47716, 50434, 52772, 83503, 92351, 100868, 167006, 176519, 184702, 334012, 353038, 369404, 584521, 646457, 706076, 1169042, 1235633, 1292914, 1992143, 2338084, 2471266, 2585828, 3984286, 4942532, 7968572, 13945001, 27890002, 55780004, 97615007, 195230014, 390460028]

約数ペア:

[(1, 390460028), (2, 195230014), (4, 97615007), (7, 55780004), (14, 27890002), (28, 13945001), (49, 7968572), (79, 4942532), (98, 3984286), (151, 2585828), (158, 2471266), (167, 2338084), (196, 1992143), (302, 1292914), (316, 1235633), (334, 1169042), (553, 706076), (604, 646457), (668, 584521), (1057, 369404), (1106, 353038), (1169, 334012), (2114, 184702), (2212, 176519), (2338, 167006), (3871, 100868), (4228, 92351), (4676, 83503), (7399, 52772), (7742, 50434), (8183, 47716), (11929, 32732), (13193, 29596), (14798, 26386), (15484, 25217), (16366, 23858)]