400332020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1297}}^1$

素因数の和:1401

約数の個数: 96

約数和(自身を含む): 973437696

約数和(自身を除く): 573105676

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 61, 92, 110, 115, 122, 220, 230, 244, 253, 305, 460, 506, 610, 671, 1012, 1220, 1265, 1297, 1342, 1403, 2530, 2594, 2684, 2806, 3355, 5060, 5188, 5612, 6485, 6710, 7015, 12970, 13420, 14030, 14267, 15433, 25940, 28060, 28534, 29831, 30866, 57068, 59662, 61732, 71335, 77165, 79117, 119324, 142670, 149155, 154330, 158234, 285340, 298310, 308660, 316468, 328141, 395585, 596620, 656282, 791170, 870287, 1312564, 1582340, 1640705, 1740574, 1819691, 3281410, 3481148, 3639382, 4351435, 6562820, 7278764, 8702870, 9098455, 17405740, 18196910, 20016601, 36393820, 40033202, 80066404, 100083005, 200166010, 400332020]

約数ペア:

[(1, 400332020), (2, 200166010), (4, 100083005), (5, 80066404), (10, 40033202), (11, 36393820), (20, 20016601), (22, 18196910), (23, 17405740), (44, 9098455), (46, 8702870), (55, 7278764), (61, 6562820), (92, 4351435), (110, 3639382), (115, 3481148), (122, 3281410), (220, 1819691), (230, 1740574), (244, 1640705), (253, 1582340), (305, 1312564), (460, 870287), (506, 791170), (610, 656282), (671, 596620), (1012, 395585), (1220, 328141), (1265, 316468), (1297, 308660), (1342, 298310), (1403, 285340), (2530, 158234), (2594, 154330), (2684, 149155), (2806, 142670), (3355, 119324), (5060, 79117), (5188, 77165), (5612, 71335), (6485, 61732), (6710, 59662), (7015, 57068), (12970, 30866), (13420, 29831), (14030, 28534), (14267, 28060), (15433, 25940)]