28341250

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:149

約数の個数: 80

約数和(自身を含む): 62979840

約数和(自身を除く): 34638590

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 41, 50, 70, 79, 82, 125, 158, 175, 205, 250, 287, 350, 395, 410, 553, 574, 625, 790, 875, 1025, 1106, 1250, 1435, 1750, 1975, 2050, 2765, 2870, 3239, 3950, 4375, 5125, 5530, 6478, 7175, 8750, 9875, 10250, 13825, 14350, 16195, 19750, 22673, 25625, 27650, 32390, 35875, 45346, 49375, 51250, 69125, 71750, 80975, 98750, 113365, 138250, 161950, 179375, 226730, 345625, 358750, 404875, 566825, 691250, 809750, 1133650, 2024375, 2834125, 4048750, 5668250, 14170625, 28341250]

約数ペア:

[(1, 28341250), (2, 14170625), (5, 5668250), (7, 4048750), (10, 2834125), (14, 2024375), (25, 1133650), (35, 809750), (41, 691250), (50, 566825), (70, 404875), (79, 358750), (82, 345625), (125, 226730), (158, 179375), (175, 161950), (205, 138250), (250, 113365), (287, 98750), (350, 80975), (395, 71750), (410, 69125), (553, 51250), (574, 49375), (625, 45346), (790, 35875), (875, 32390), (1025, 27650), (1106, 25625), (1250, 22673), (1435, 19750), (1750, 16195), (1975, 14350), (2050, 13825), (2765, 10250), (2870, 9875), (3239, 8750), (3950, 7175), (4375, 6478), (5125, 5530)]