490111380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{247531}}^1$

素因数の和:247557

約数の個数: 72

約数和(自身を含む): 1621829664

約数和(自身を除く): 1131718284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 247531, 495062, 742593, 990124, 1237655, 1485186, 2227779, 2475310, 2722841, 2970372, 3712965, 4455558, 4950620, 5445682, 7425930, 8168523, 8911116, 10891364, 11138895, 13614205, 14851860, 16337046, 22277790, 24505569, 27228410, 32674092, 40842615, 44555580, 49011138, 54456820, 81685230, 98022276, 122527845, 163370460, 245055690, 490111380]

約数ペア:

[(1, 490111380), (2, 245055690), (3, 163370460), (4, 122527845), (5, 98022276), (6, 81685230), (9, 54456820), (10, 49011138), (11, 44555580), (12, 40842615), (15, 32674092), (18, 27228410), (20, 24505569), (22, 22277790), (30, 16337046), (33, 14851860), (36, 13614205), (44, 11138895), (45, 10891364), (55, 8911116), (60, 8168523), (66, 7425930), (90, 5445682), (99, 4950620), (110, 4455558), (132, 3712965), (165, 2970372), (180, 2722841), (198, 2475310), (220, 2227779), (330, 1485186), (396, 1237655), (495, 990124), (660, 742593), (990, 495062), (1980, 247531)]