28374640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2203}}^1$

素因数の和:2246

約数の個数: 80

約数和(自身を含む): 78709248

約数和(自身を除く): 50334608

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, 2203, 2576, 3220, 4406, 6440, 8812, 11015, 12880, 15421, 17624, 22030, 30842, 35248, 44060, 50669, 61684, 77105, 88120, 101338, 123368, 154210, 176240, 202676, 246736, 253345, 308420, 354683, 405352, 506690, 616840, 709366, 810704, 1013380, 1233680, 1418732, 1773415, 2026760, 2837464, 3546830, 4053520, 5674928, 7093660, 14187320, 28374640]

約数ペア:

[(1, 28374640), (2, 14187320), (4, 7093660), (5, 5674928), (7, 4053520), (8, 3546830), (10, 2837464), (14, 2026760), (16, 1773415), (20, 1418732), (23, 1233680), (28, 1013380), (35, 810704), (40, 709366), (46, 616840), (56, 506690), (70, 405352), (80, 354683), (92, 308420), (112, 253345), (115, 246736), (140, 202676), (161, 176240), (184, 154210), (230, 123368), (280, 101338), (322, 88120), (368, 77105), (460, 61684), (560, 50669), (644, 44060), (805, 35248), (920, 30842), (1288, 22030), (1610, 17624), (1840, 15421), (2203, 12880), (2576, 11015), (3220, 8812), (4406, 6440)]