28842920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{293}}^1$

素因数の和:434

約数の個数: 64

約数和(自身を含む): 68584320

約数和(自身を除く): 39741400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 107, 115, 184, 214, 230, 293, 428, 460, 535, 586, 856, 920, 1070, 1172, 1465, 2140, 2344, 2461, 2930, 4280, 4922, 5860, 6739, 9844, 11720, 12305, 13478, 19688, 24610, 26956, 31351, 33695, 49220, 53912, 62702, 67390, 98440, 125404, 134780, 156755, 250808, 269560, 313510, 627020, 721073, 1254040, 1442146, 2884292, 3605365, 5768584, 7210730, 14421460, 28842920]

約数ペア:

[(1, 28842920), (2, 14421460), (4, 7210730), (5, 5768584), (8, 3605365), (10, 2884292), (20, 1442146), (23, 1254040), (40, 721073), (46, 627020), (92, 313510), (107, 269560), (115, 250808), (184, 156755), (214, 134780), (230, 125404), (293, 98440), (428, 67390), (460, 62702), (535, 53912), (586, 49220), (856, 33695), (920, 31351), (1070, 26956), (1172, 24610), (1465, 19688), (2140, 13478), (2344, 12305), (2461, 11720), (2930, 9844), (4280, 6739), (4922, 5860)]