199184220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{419}}^1$

素因数の和:592

約数の個数: 144

約数和(自身を含む): 642096000

約数和(自身を除く): 442911780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 139, 171, 180, 190, 228, 278, 285, 342, 380, 417, 419, 556, 570, 684, 695, 834, 838, 855, 1140, 1251, 1257, 1390, 1668, 1676, 1710, 2085, 2095, 2502, 2514, 2641, 2780, 3420, 3771, 4170, 4190, 5004, 5028, 5282, 6255, 6285, 7542, 7923, 7961, 8340, 8380, 10564, 12510, 12570, 13205, 15084, 15846, 15922, 18855, 23769, 23883, 25020, 25140, 26410, 31692, 31844, 37710, 39615, 39805, 47538, 47766, 52820, 58241, 71649, 75420, 79230, 79610, 95076, 95532, 116482, 118845, 119415, 143298, 158460, 159220, 174723, 232964, 237690, 238830, 286596, 291205, 349446, 358245, 475380, 477660, 524169, 582410, 698892, 716490, 873615, 1048338, 1106579, 1164820, 1432980, 1747230, 2096676, 2213158, 2620845, 3319737, 3494460, 4426316, 5241690, 5532895, 6639474, 9959211, 10483380, 11065790, 13278948, 16598685, 19918422, 22131580, 33197370, 39836844, 49796055, 66394740, 99592110, 199184220]

約数ペア:

[(1, 199184220), (2, 99592110), (3, 66394740), (4, 49796055), (5, 39836844), (6, 33197370), (9, 22131580), (10, 19918422), (12, 16598685), (15, 13278948), (18, 11065790), (19, 10483380), (20, 9959211), (30, 6639474), (36, 5532895), (38, 5241690), (45, 4426316), (57, 3494460), (60, 3319737), (76, 2620845), (90, 2213158), (95, 2096676), (114, 1747230), (139, 1432980), (171, 1164820), (180, 1106579), (190, 1048338), (228, 873615), (278, 716490), (285, 698892), (342, 582410), (380, 524169), (417, 477660), (419, 475380), (556, 358245), (570, 349446), (684, 291205), (695, 286596), (834, 238830), (838, 237690), (855, 232964), (1140, 174723), (1251, 159220), (1257, 158460), (1390, 143298), (1668, 119415), (1676, 118845), (1710, 116482), (2085, 95532), (2095, 95076), (2502, 79610), (2514, 79230), (2641, 75420), (2780, 71649), (3420, 58241), (3771, 52820), (4170, 47766), (4190, 47538), (5004, 39805), (5028, 39615), (5282, 37710), (6255, 31844), (6285, 31692), (7542, 26410), (7923, 25140), (7961, 25020), (8340, 23883), (8380, 23769), (10564, 18855), (12510, 15922), (12570, 15846), (13205, 15084)]