278041480

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{9749}}^1$

素因数の和:9814

約数の個数: 64

約数和(自身を含む): 673920000

約数和(自身を除く): 395878520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 310, 460, 620, 713, 920, 1240, 1426, 2852, 3565, 5704, 7130, 9749, 14260, 19498, 28520, 38996, 48745, 77992, 97490, 194980, 224227, 302219, 389960, 448454, 604438, 896908, 1121135, 1208876, 1511095, 1793816, 2242270, 2417752, 3022190, 4484540, 6044380, 6951037, 8969080, 12088760, 13902074, 27804148, 34755185, 55608296, 69510370, 139020740, 278041480]

約数ペア:

[(1, 278041480), (2, 139020740), (4, 69510370), (5, 55608296), (8, 34755185), (10, 27804148), (20, 13902074), (23, 12088760), (31, 8969080), (40, 6951037), (46, 6044380), (62, 4484540), (92, 3022190), (115, 2417752), (124, 2242270), (155, 1793816), (184, 1511095), (230, 1208876), (248, 1121135), (310, 896908), (460, 604438), (620, 448454), (713, 389960), (920, 302219), (1240, 224227), (1426, 194980), (2852, 97490), (3565, 77992), (5704, 48745), (7130, 38996), (9749, 28520), (14260, 19498)]