308942270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1321}}^1$

素因数の和:1605

約数の個数: 64

約数和(自身を含む): 687609216

約数和(自身を除く): 378666946

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 257, 455, 514, 910, 1285, 1321, 1799, 2570, 2642, 3341, 3598, 6605, 6682, 8995, 9247, 13210, 16705, 17173, 17990, 18494, 23387, 33410, 34346, 46235, 46774, 85865, 92470, 116935, 120211, 171730, 233870, 240422, 339497, 601055, 678994, 1202110, 1697485, 2376479, 3394970, 4413461, 4752958, 8826922, 11882395, 22067305, 23764790, 30894227, 44134610, 61788454, 154471135, 308942270]

約数ペア:

[(1, 308942270), (2, 154471135), (5, 61788454), (7, 44134610), (10, 30894227), (13, 23764790), (14, 22067305), (26, 11882395), (35, 8826922), (65, 4752958), (70, 4413461), (91, 3394970), (130, 2376479), (182, 1697485), (257, 1202110), (455, 678994), (514, 601055), (910, 339497), (1285, 240422), (1321, 233870), (1799, 171730), (2570, 120211), (2642, 116935), (3341, 92470), (3598, 85865), (6605, 46774), (6682, 46235), (8995, 34346), (9247, 33410), (13210, 23387), (16705, 18494), (17173, 17990)]