678686970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1740223}}^1$

素因数の和:1740246

約数の個数: 32

約数和(自身を含む): 1754145792

約数和(自身を除く): 1075458822

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 1740223, 3480446, 5220669, 8701115, 10441338, 17402230, 22622899, 26103345, 45245798, 52206690, 67868697, 113114495, 135737394, 226228990, 339343485, 678686970]

約数ペア:

[(1, 678686970), (2, 339343485), (3, 226228990), (5, 135737394), (6, 113114495), (10, 67868697), (13, 52206690), (15, 45245798), (26, 26103345), (30, 22622899), (39, 17402230), (65, 10441338), (78, 8701115), (130, 5220669), (195, 3480446), (390, 1740223)]