399984732

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{601}}^1$

素因数の和:776

約数の個数: 144

約数和(自身を含む): 1227116800

約数和(自身を除く): 827132068

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 139, 171, 228, 252, 266, 278, 342, 399, 417, 532, 556, 601, 684, 798, 834, 973, 1197, 1202, 1251, 1596, 1668, 1803, 1946, 2394, 2404, 2502, 2641, 2919, 3606, 3892, 4207, 4788, 5004, 5282, 5409, 5838, 7212, 7923, 8414, 8757, 10564, 10818, 11419, 11676, 12621, 15846, 16828, 17514, 18487, 21636, 22838, 23769, 25242, 31692, 34257, 35028, 36974, 37863, 45676, 47538, 50484, 55461, 68514, 73948, 75726, 79933, 83539, 95076, 102771, 110922, 137028, 151452, 159866, 166383, 167078, 205542, 221844, 239799, 250617, 319732, 332766, 334156, 411084, 479598, 501234, 584773, 665532, 719397, 751851, 959196, 1002468, 1169546, 1438794, 1503702, 1587241, 1754319, 2339092, 2877588, 3007404, 3174482, 3508638, 4761723, 5262957, 6348964, 7017276, 9523446, 10525914, 11110687, 14285169, 19046892, 21051828, 22221374, 28570338, 33332061, 44442748, 57140676, 66664122, 99996183, 133328244, 199992366, 399984732]

約数ペア:

[(1, 399984732), (2, 199992366), (3, 133328244), (4, 99996183), (6, 66664122), (7, 57140676), (9, 44442748), (12, 33332061), (14, 28570338), (18, 22221374), (19, 21051828), (21, 19046892), (28, 14285169), (36, 11110687), (38, 10525914), (42, 9523446), (57, 7017276), (63, 6348964), (76, 5262957), (84, 4761723), (114, 3508638), (126, 3174482), (133, 3007404), (139, 2877588), (171, 2339092), (228, 1754319), (252, 1587241), (266, 1503702), (278, 1438794), (342, 1169546), (399, 1002468), (417, 959196), (532, 751851), (556, 719397), (601, 665532), (684, 584773), (798, 501234), (834, 479598), (973, 411084), (1197, 334156), (1202, 332766), (1251, 319732), (1596, 250617), (1668, 239799), (1803, 221844), (1946, 205542), (2394, 167078), (2404, 166383), (2502, 159866), (2641, 151452), (2919, 137028), (3606, 110922), (3892, 102771), (4207, 95076), (4788, 83539), (5004, 79933), (5282, 75726), (5409, 73948), (5838, 68514), (7212, 55461), (7923, 50484), (8414, 47538), (8757, 45676), (10564, 37863), (10818, 36974), (11419, 35028), (11676, 34257), (12621, 31692), (15846, 25242), (16828, 23769), (17514, 22838), (18487, 21636)]