2840868

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:153

約数の個数: 72

約数和(自身を含む): 7757568

約数和(自身を除く): 4916700

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 47, 69, 73, 92, 94, 138, 141, 146, 188, 207, 219, 276, 282, 292, 414, 423, 438, 564, 657, 828, 846, 876, 1081, 1314, 1679, 1692, 2162, 2628, 3243, 3358, 3431, 4324, 5037, 6486, 6716, 6862, 9729, 10074, 10293, 12972, 13724, 15111, 19458, 20148, 20586, 30222, 30879, 38916, 41172, 60444, 61758, 78913, 123516, 157826, 236739, 315652, 473478, 710217, 946956, 1420434, 2840868]

約数ペア:

[(1, 2840868), (2, 1420434), (3, 946956), (4, 710217), (6, 473478), (9, 315652), (12, 236739), (18, 157826), (23, 123516), (36, 78913), (46, 61758), (47, 60444), (69, 41172), (73, 38916), (92, 30879), (94, 30222), (138, 20586), (141, 20148), (146, 19458), (188, 15111), (207, 13724), (219, 12972), (276, 10293), (282, 10074), (292, 9729), (414, 6862), (423, 6716), (438, 6486), (564, 5037), (657, 4324), (828, 3431), (846, 3358), (876, 3243), (1081, 2628), (1314, 2162), (1679, 1692)]