209605890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{3923}}^1$

素因数の和:4083

約数の個数: 64

約数和(自身を含む): 545844096

約数和(自身を除く): 336238206

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 137, 195, 274, 390, 411, 685, 822, 1370, 1781, 2055, 3562, 3923, 4110, 5343, 7846, 8905, 10686, 11769, 17810, 19615, 23538, 26715, 39230, 50999, 53430, 58845, 101998, 117690, 152997, 254995, 305994, 509990, 537451, 764985, 1074902, 1529970, 1612353, 2687255, 3224706, 5374510, 6986863, 8061765, 13973726, 16123530, 20960589, 34934315, 41921178, 69868630, 104802945, 209605890]

約数ペア:

[(1, 209605890), (2, 104802945), (3, 69868630), (5, 41921178), (6, 34934315), (10, 20960589), (13, 16123530), (15, 13973726), (26, 8061765), (30, 6986863), (39, 5374510), (65, 3224706), (78, 2687255), (130, 1612353), (137, 1529970), (195, 1074902), (274, 764985), (390, 537451), (411, 509990), (685, 305994), (822, 254995), (1370, 152997), (1781, 117690), (2055, 101998), (3562, 58845), (3923, 53430), (4110, 50999), (5343, 39230), (7846, 26715), (8905, 23538), (10686, 19615), (11769, 17810)]