404080040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3581}}^1$

素因数の和:3643

約数の個数: 128

約数和(自身を含む): 1155409920

約数和(自身を除く): 751329880

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1612, 1736, 1820, 2015, 2170, 2821, 3224, 3581, 3640, 4030, 4340, 5642, 7162, 8060, 8680, 11284, 14105, 14324, 16120, 17905, 22568, 25067, 28210, 28648, 35810, 46553, 50134, 56420, 71620, 93106, 100268, 111011, 112840, 125335, 143240, 186212, 200536, 222022, 232765, 250670, 325871, 372424, 444044, 465530, 501340, 555055, 651742, 777077, 888088, 931060, 1002680, 1110110, 1303484, 1443143, 1554154, 1629355, 1862120, 2220220, 2606968, 2886286, 3108308, 3258710, 3885385, 4440440, 5772572, 6216616, 6517420, 7215715, 7770770, 10102001, 11545144, 13034840, 14431430, 15541540, 20204002, 28862860, 31083080, 40408004, 50510005, 57725720, 80816008, 101020010, 202040020, 404080040]

約数ペア:

[(1, 404080040), (2, 202040020), (4, 101020010), (5, 80816008), (7, 57725720), (8, 50510005), (10, 40408004), (13, 31083080), (14, 28862860), (20, 20204002), (26, 15541540), (28, 14431430), (31, 13034840), (35, 11545144), (40, 10102001), (52, 7770770), (56, 7215715), (62, 6517420), (65, 6216616), (70, 5772572), (91, 4440440), (104, 3885385), (124, 3258710), (130, 3108308), (140, 2886286), (155, 2606968), (182, 2220220), (217, 1862120), (248, 1629355), (260, 1554154), (280, 1443143), (310, 1303484), (364, 1110110), (403, 1002680), (434, 931060), (455, 888088), (520, 777077), (620, 651742), (728, 555055), (806, 501340), (868, 465530), (910, 444044), (1085, 372424), (1240, 325871), (1612, 250670), (1736, 232765), (1820, 222022), (2015, 200536), (2170, 186212), (2821, 143240), (3224, 125335), (3581, 112840), (3640, 111011), (4030, 100268), (4340, 93106), (5642, 71620), (7162, 56420), (8060, 50134), (8680, 46553), (11284, 35810), (14105, 28648), (14324, 28210), (16120, 25067), (17905, 22568)]