485009980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{266489}}^1$

素因数の和:266518

約数の個数: 48

約数和(自身を含む): 1253568960

約数和(自身を除く): 768558980

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, 266489, 532978, 1065956, 1332445, 1865423, 2664890, 3464357, 3730846, 5329780, 6928714, 7461692, 9327115, 13857428, 17321785, 18654230, 24250499, 34643570, 37308460, 48500998, 69287140, 97001996, 121252495, 242504990, 485009980]

約数ペア:

[(1, 485009980), (2, 242504990), (4, 121252495), (5, 97001996), (7, 69287140), (10, 48500998), (13, 37308460), (14, 34643570), (20, 24250499), (26, 18654230), (28, 17321785), (35, 13857428), (52, 9327115), (65, 7461692), (70, 6928714), (91, 5329780), (130, 3730846), (140, 3464357), (182, 2664890), (260, 1865423), (364, 1332445), (455, 1065956), (910, 532978), (1820, 266489)]