980001152

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:408

約数の個数: 128

約数和(自身を含む): 2239104000

約数和(自身を除く): 1259102848

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 139, 152, 208, 223, 247, 278, 304, 416, 446, 494, 556, 608, 832, 892, 988, 1112, 1216, 1664, 1784, 1807, 1976, 2224, 2432, 2641, 2899, 3568, 3614, 3952, 4237, 4448, 5282, 5798, 7136, 7228, 7904, 8474, 8896, 10564, 11596, 14272, 14456, 15808, 16948, 17792, 21128, 23192, 28544, 28912, 30997, 31616, 33896, 34333, 42256, 46384, 55081, 57824, 61994, 67792, 68666, 84512, 92768, 110162, 115648, 123988, 135584, 137332, 169024, 185536, 220324, 231296, 247976, 271168, 274664, 338048, 371072, 402961, 440648, 495952, 542336, 549328, 588943, 805922, 881296, 991904, 1098656, 1177886, 1611844, 1762592, 1983808, 2197312, 2355772, 3223688, 3525184, 3967616, 4394624, 4711544, 6447376, 7050368, 7656259, 9423088, 12894752, 15312518, 18846176, 25789504, 30625036, 37692352, 51579008, 61250072, 75384704, 122500144, 245000288, 490000576, 980001152]

約数ペア:

[(1, 980001152), (2, 490000576), (4, 245000288), (8, 122500144), (13, 75384704), (16, 61250072), (19, 51579008), (26, 37692352), (32, 30625036), (38, 25789504), (52, 18846176), (64, 15312518), (76, 12894752), (104, 9423088), (128, 7656259), (139, 7050368), (152, 6447376), (208, 4711544), (223, 4394624), (247, 3967616), (278, 3525184), (304, 3223688), (416, 2355772), (446, 2197312), (494, 1983808), (556, 1762592), (608, 1611844), (832, 1177886), (892, 1098656), (988, 991904), (1112, 881296), (1216, 805922), (1664, 588943), (1784, 549328), (1807, 542336), (1976, 495952), (2224, 440648), (2432, 402961), (2641, 371072), (2899, 338048), (3568, 274664), (3614, 271168), (3952, 247976), (4237, 231296), (4448, 220324), (5282, 185536), (5798, 169024), (7136, 137332), (7228, 135584), (7904, 123988), (8474, 115648), (8896, 110162), (10564, 92768), (11596, 84512), (14272, 68666), (14456, 67792), (15808, 61994), (16948, 57824), (17792, 55081), (21128, 46384), (23192, 42256), (28544, 34333), (28912, 33896), (30997, 31616)]