78411970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{433}}^1$

素因数の和:659

約数の個数: 64

約数和(自身を含む): 174988800

約数和(自身を除く): 96576830

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 199, 398, 433, 455, 866, 910, 995, 1393, 1990, 2165, 2587, 2786, 3031, 4330, 5174, 5629, 6062, 6965, 11258, 12935, 13930, 15155, 18109, 25870, 28145, 30310, 36218, 39403, 56290, 78806, 86167, 90545, 172334, 181090, 197015, 394030, 430835, 603169, 861670, 1120171, 1206338, 2240342, 3015845, 5600855, 6031690, 7841197, 11201710, 15682394, 39205985, 78411970]

約数ペア:

[(1, 78411970), (2, 39205985), (5, 15682394), (7, 11201710), (10, 7841197), (13, 6031690), (14, 5600855), (26, 3015845), (35, 2240342), (65, 1206338), (70, 1120171), (91, 861670), (130, 603169), (182, 430835), (199, 394030), (398, 197015), (433, 181090), (455, 172334), (866, 90545), (910, 86167), (995, 78806), (1393, 56290), (1990, 39403), (2165, 36218), (2587, 30310), (2786, 28145), (3031, 25870), (4330, 18109), (5174, 15155), (5629, 13930), (6062, 12935), (6965, 11258)]