508720820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{8527}}^1$

素因数の和:8712

約数の個数: 48

約数和(自身を含む): 1131836160

約数和(自身を除く): 623115340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 157, 190, 314, 380, 628, 785, 1570, 2983, 3140, 5966, 8527, 11932, 14915, 17054, 29830, 34108, 42635, 59660, 85270, 162013, 170540, 324026, 648052, 810065, 1338739, 1620130, 2677478, 3240260, 5354956, 6693695, 13387390, 25436041, 26774780, 50872082, 101744164, 127180205, 254360410, 508720820]

約数ペア:

[(1, 508720820), (2, 254360410), (4, 127180205), (5, 101744164), (10, 50872082), (19, 26774780), (20, 25436041), (38, 13387390), (76, 6693695), (95, 5354956), (157, 3240260), (190, 2677478), (314, 1620130), (380, 1338739), (628, 810065), (785, 648052), (1570, 324026), (2983, 170540), (3140, 162013), (5966, 85270), (8527, 59660), (11932, 42635), (14915, 34108), (17054, 29830)]