139430816

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^2$

素因数の和:398

約数の個数: 72

約数和(自身を含む): 332065440

約数和(自身を除く): 192634624

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 152, 181, 224, 266, 304, 362, 532, 608, 724, 1064, 1267, 1448, 2128, 2534, 2896, 3439, 4256, 5068, 5792, 6878, 10136, 13756, 20272, 24073, 27512, 32761, 40544, 48146, 55024, 65522, 96292, 110048, 131044, 192584, 229327, 262088, 385168, 458654, 524176, 622459, 770336, 917308, 1048352, 1244918, 1834616, 2489836, 3669232, 4357213, 4979672, 7338464, 8714426, 9959344, 17428852, 19918688, 34857704, 69715408, 139430816]

約数ペア:

[(1, 139430816), (2, 69715408), (4, 34857704), (7, 19918688), (8, 17428852), (14, 9959344), (16, 8714426), (19, 7338464), (28, 4979672), (32, 4357213), (38, 3669232), (56, 2489836), (76, 1834616), (112, 1244918), (133, 1048352), (152, 917308), (181, 770336), (224, 622459), (266, 524176), (304, 458654), (362, 385168), (532, 262088), (608, 229327), (724, 192584), (1064, 131044), (1267, 110048), (1448, 96292), (2128, 65522), (2534, 55024), (2896, 48146), (3439, 40544), (4256, 32761), (5068, 27512), (5792, 24073), (6878, 20272), (10136, 13756)]