309721888

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1193}}^1$

素因数の和:1290

約数の個数: 96

約数和(自身を含む): 746202240

約数和(自身を除く): 436480352

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 61, 76, 112, 122, 133, 152, 224, 244, 266, 304, 427, 488, 532, 608, 854, 976, 1064, 1159, 1193, 1708, 1952, 2128, 2318, 2386, 3416, 4256, 4636, 4772, 6832, 8113, 8351, 9272, 9544, 13664, 16226, 16702, 18544, 19088, 22667, 32452, 33404, 37088, 38176, 45334, 64904, 66808, 72773, 90668, 129808, 133616, 145546, 158669, 181336, 259616, 267232, 291092, 317338, 362672, 509411, 582184, 634676, 725344, 1018822, 1164368, 1269352, 1382687, 2037644, 2328736, 2538704, 2765374, 4075288, 5077408, 5530748, 8150576, 9678809, 11061496, 16301152, 19357618, 22122992, 38715236, 44245984, 77430472, 154860944, 309721888]

約数ペア:

[(1, 309721888), (2, 154860944), (4, 77430472), (7, 44245984), (8, 38715236), (14, 22122992), (16, 19357618), (19, 16301152), (28, 11061496), (32, 9678809), (38, 8150576), (56, 5530748), (61, 5077408), (76, 4075288), (112, 2765374), (122, 2538704), (133, 2328736), (152, 2037644), (224, 1382687), (244, 1269352), (266, 1164368), (304, 1018822), (427, 725344), (488, 634676), (532, 582184), (608, 509411), (854, 362672), (976, 317338), (1064, 291092), (1159, 267232), (1193, 259616), (1708, 181336), (1952, 158669), (2128, 145546), (2318, 133616), (2386, 129808), (3416, 90668), (4256, 72773), (4636, 66808), (4772, 64904), (6832, 45334), (8113, 38176), (8351, 37088), (9272, 33404), (9544, 32452), (13664, 22667), (16226, 19088), (16702, 18544)]