290550736

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{136537}}^1$

素因数の和:136571

約数の個数: 40

約数和(自身を含む): 677228480

約数和(自身を除く): 386677744

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 136537, 273074, 546148, 955759, 1092296, 1911518, 2184592, 2594203, 3823036, 5188406, 7646072, 10376812, 15292144, 18159421, 20753624, 36318842, 41507248, 72637684, 145275368, 290550736]

約数ペア:

[(1, 290550736), (2, 145275368), (4, 72637684), (7, 41507248), (8, 36318842), (14, 20753624), (16, 18159421), (19, 15292144), (28, 10376812), (38, 7646072), (56, 5188406), (76, 3823036), (112, 2594203), (133, 2184592), (152, 1911518), (266, 1092296), (304, 955759), (532, 546148), (1064, 273074), (2128, 136537)]