212554290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{17581}}^1$

素因数の和:17635

約数の個数: 64

約数和(自身を含む): 567124992

約数和(自身を除く): 354570702

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 2015, 2418, 4030, 6045, 12090, 17581, 35162, 52743, 87905, 105486, 175810, 228553, 263715, 457106, 527430, 545011, 685659, 1090022, 1142765, 1371318, 1635033, 2285530, 2725055, 3270066, 3428295, 5450110, 6856590, 7085143, 8175165, 14170286, 16350330, 21255429, 35425715, 42510858, 70851430, 106277145, 212554290]

約数ペア:

[(1, 212554290), (2, 106277145), (3, 70851430), (5, 42510858), (6, 35425715), (10, 21255429), (13, 16350330), (15, 14170286), (26, 8175165), (30, 7085143), (31, 6856590), (39, 5450110), (62, 3428295), (65, 3270066), (78, 2725055), (93, 2285530), (130, 1635033), (155, 1371318), (186, 1142765), (195, 1090022), (310, 685659), (390, 545011), (403, 527430), (465, 457106), (806, 263715), (930, 228553), (1209, 175810), (2015, 105486), (2418, 87905), (4030, 52743), (6045, 35162), (12090, 17581)]