287799920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2203}}^1$

素因数の和:2310

約数の個数: 80

約数和(自身を含む): 708383232

約数和(自身を除く): 420583312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 71, 80, 92, 115, 142, 184, 230, 284, 355, 368, 460, 568, 710, 920, 1136, 1420, 1633, 1840, 2203, 2840, 3266, 4406, 5680, 6532, 8165, 8812, 11015, 13064, 16330, 17624, 22030, 26128, 32660, 35248, 44060, 50669, 65320, 88120, 101338, 130640, 156413, 176240, 202676, 253345, 312826, 405352, 506690, 625652, 782065, 810704, 1013380, 1251304, 1564130, 2026760, 2502608, 3128260, 3597499, 4053520, 6256520, 7194998, 12513040, 14389996, 17987495, 28779992, 35974990, 57559984, 71949980, 143899960, 287799920]

約数ペア:

[(1, 287799920), (2, 143899960), (4, 71949980), (5, 57559984), (8, 35974990), (10, 28779992), (16, 17987495), (20, 14389996), (23, 12513040), (40, 7194998), (46, 6256520), (71, 4053520), (80, 3597499), (92, 3128260), (115, 2502608), (142, 2026760), (184, 1564130), (230, 1251304), (284, 1013380), (355, 810704), (368, 782065), (460, 625652), (568, 506690), (710, 405352), (920, 312826), (1136, 253345), (1420, 202676), (1633, 176240), (1840, 156413), (2203, 130640), (2840, 101338), (3266, 88120), (4406, 65320), (5680, 50669), (6532, 44060), (8165, 35248), (8812, 32660), (11015, 26128), (13064, 22030), (16330, 17624)]