70381220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38671}}^1$

素因数の和:38700

約数の個数: 48

約数和(自身を含む): 181913088

約数和(自身を除く): 111531868

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 38671, 77342, 154684, 193355, 270697, 386710, 502723, 541394, 773420, 1005446, 1082788, 1353485, 2010892, 2513615, 2706970, 3519061, 5027230, 5413940, 7038122, 10054460, 14076244, 17595305, 35190610, 70381220]

約数ペア:

[(1, 70381220), (2, 35190610), (4, 17595305), (5, 14076244), (7, 10054460), (10, 7038122), (13, 5413940), (14, 5027230), (20, 3519061), (26, 2706970), (28, 2513615), (35, 2010892), (52, 1353485), (65, 1082788), (70, 1005446), (91, 773420), (130, 541394), (140, 502723), (182, 386710), (260, 270697), (364, 193355), (455, 154684), (910, 77342), (1820, 38671)]