212396080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{617}}^1$

素因数の和:974

約数の個数: 80

約数和(自身を含む): 534278304

約数和(自身を除く): 321882224

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 331, 520, 617, 662, 1040, 1234, 1324, 1655, 2468, 2648, 3085, 3310, 4303, 4936, 5296, 6170, 6620, 8021, 8606, 9872, 12340, 13240, 16042, 17212, 21515, 24680, 26480, 32084, 34424, 40105, 43030, 49360, 64168, 68848, 80210, 86060, 128336, 160420, 172120, 204227, 320840, 344240, 408454, 641680, 816908, 1021135, 1633816, 2042270, 2654951, 3267632, 4084540, 5309902, 8169080, 10619804, 13274755, 16338160, 21239608, 26549510, 42479216, 53099020, 106198040, 212396080]

約数ペア:

[(1, 212396080), (2, 106198040), (4, 53099020), (5, 42479216), (8, 26549510), (10, 21239608), (13, 16338160), (16, 13274755), (20, 10619804), (26, 8169080), (40, 5309902), (52, 4084540), (65, 3267632), (80, 2654951), (104, 2042270), (130, 1633816), (208, 1021135), (260, 816908), (331, 641680), (520, 408454), (617, 344240), (662, 320840), (1040, 204227), (1234, 172120), (1324, 160420), (1655, 128336), (2468, 86060), (2648, 80210), (3085, 68848), (3310, 64168), (4303, 49360), (4936, 43030), (5296, 40105), (6170, 34424), (6620, 32084), (8021, 26480), (8606, 24680), (9872, 21515), (12340, 17212), (13240, 16042)]