388780776

素因数分解:

$2^3\times 3^3\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{563}}^1$

素因数の和:740

約数の個数: 128

約数和(自身を含む): 1137024000

約数和(自身を除く): 748243224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 36, 46, 54, 69, 72, 92, 108, 138, 139, 184, 207, 216, 276, 278, 414, 417, 552, 556, 563, 621, 828, 834, 1112, 1126, 1242, 1251, 1656, 1668, 1689, 2252, 2484, 2502, 3197, 3336, 3378, 3753, 4504, 4968, 5004, 5067, 6394, 6756, 7506, 9591, 10008, 10134, 12788, 12949, 13512, 15012, 15201, 19182, 20268, 25576, 25898, 28773, 30024, 30402, 38364, 38847, 40536, 51796, 57546, 60804, 76728, 77694, 78257, 86319, 103592, 115092, 116541, 121608, 155388, 156514, 172638, 230184, 233082, 234771, 310776, 313028, 345276, 349623, 466164, 469542, 626056, 690552, 699246, 704313, 932328, 939084, 1398492, 1408626, 1799911, 1878168, 2112939, 2796984, 2817252, 3599822, 4225878, 5399733, 5634504, 7199644, 8451756, 10799466, 14399288, 16199199, 16903512, 21598932, 32398398, 43197864, 48597597, 64796796, 97195194, 129593592, 194390388, 388780776]

約数ペア:

[(1, 388780776), (2, 194390388), (3, 129593592), (4, 97195194), (6, 64796796), (8, 48597597), (9, 43197864), (12, 32398398), (18, 21598932), (23, 16903512), (24, 16199199), (27, 14399288), (36, 10799466), (46, 8451756), (54, 7199644), (69, 5634504), (72, 5399733), (92, 4225878), (108, 3599822), (138, 2817252), (139, 2796984), (184, 2112939), (207, 1878168), (216, 1799911), (276, 1408626), (278, 1398492), (414, 939084), (417, 932328), (552, 704313), (556, 699246), (563, 690552), (621, 626056), (828, 469542), (834, 466164), (1112, 349623), (1126, 345276), (1242, 313028), (1251, 310776), (1656, 234771), (1668, 233082), (1689, 230184), (2252, 172638), (2484, 156514), (2502, 155388), (3197, 121608), (3336, 116541), (3378, 115092), (3753, 103592), (4504, 86319), (4968, 78257), (5004, 77694), (5067, 76728), (6394, 60804), (6756, 57546), (7506, 51796), (9591, 40536), (10008, 38847), (10134, 38364), (12788, 30402), (12949, 30024), (13512, 28773), (15012, 25898), (15201, 25576), (19182, 20268)]