78421070

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{947}}^1$

素因数の和:994

約数の個数: 72

約数和(自身を含む): 177994584

約数和(自身を除く): 99573514

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 169, 182, 245, 338, 455, 490, 637, 845, 910, 947, 1183, 1274, 1690, 1894, 2366, 3185, 4735, 5915, 6370, 6629, 8281, 9470, 11830, 12311, 13258, 16562, 24622, 33145, 41405, 46403, 61555, 66290, 82810, 86177, 92806, 123110, 160043, 172354, 232015, 320086, 430885, 464030, 603239, 800215, 861770, 1120301, 1206478, 1600430, 2240602, 3016195, 5601505, 6032390, 7842107, 11203010, 15684214, 39210535, 78421070]

約数ペア:

[(1, 78421070), (2, 39210535), (5, 15684214), (7, 11203010), (10, 7842107), (13, 6032390), (14, 5601505), (26, 3016195), (35, 2240602), (49, 1600430), (65, 1206478), (70, 1120301), (91, 861770), (98, 800215), (130, 603239), (169, 464030), (182, 430885), (245, 320086), (338, 232015), (455, 172354), (490, 160043), (637, 123110), (845, 92806), (910, 86177), (947, 82810), (1183, 66290), (1274, 61555), (1690, 46403), (1894, 41405), (2366, 33145), (3185, 24622), (4735, 16562), (5915, 13258), (6370, 12311), (6629, 11830), (8281, 9470)]