278310396

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1583}}^1$

素因数の和:1640

約数の個数: 144

約数和(自身を含む): 849429504

約数和(自身を除く): 571119108

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 23, 26, 28, 39, 42, 46, 49, 52, 69, 78, 84, 91, 92, 98, 138, 147, 156, 161, 182, 196, 273, 276, 294, 299, 322, 364, 483, 546, 588, 598, 637, 644, 897, 966, 1092, 1127, 1196, 1274, 1583, 1794, 1911, 1932, 2093, 2254, 2548, 3166, 3381, 3588, 3822, 4186, 4508, 4749, 6279, 6332, 6762, 7644, 8372, 9498, 11081, 12558, 13524, 14651, 18996, 20579, 22162, 25116, 29302, 33243, 36409, 41158, 43953, 44324, 58604, 61737, 66486, 72818, 77567, 82316, 87906, 109227, 123474, 132972, 144053, 145636, 155134, 175812, 218454, 232701, 246948, 254863, 288106, 310268, 432159, 436908, 465402, 473317, 509726, 576212, 764589, 864318, 930804, 946634, 1008371, 1019452, 1419951, 1529178, 1728636, 1784041, 1893268, 2016742, 2839902, 3025113, 3058356, 3313219, 3568082, 4033484, 5352123, 5679804, 6050226, 6626438, 7136164, 9939657, 10704246, 12100452, 13252876, 19879314, 21408492, 23192533, 39758628, 46385066, 69577599, 92770132, 139155198, 278310396]

約数ペア:

[(1, 278310396), (2, 139155198), (3, 92770132), (4, 69577599), (6, 46385066), (7, 39758628), (12, 23192533), (13, 21408492), (14, 19879314), (21, 13252876), (23, 12100452), (26, 10704246), (28, 9939657), (39, 7136164), (42, 6626438), (46, 6050226), (49, 5679804), (52, 5352123), (69, 4033484), (78, 3568082), (84, 3313219), (91, 3058356), (92, 3025113), (98, 2839902), (138, 2016742), (147, 1893268), (156, 1784041), (161, 1728636), (182, 1529178), (196, 1419951), (273, 1019452), (276, 1008371), (294, 946634), (299, 930804), (322, 864318), (364, 764589), (483, 576212), (546, 509726), (588, 473317), (598, 465402), (637, 436908), (644, 432159), (897, 310268), (966, 288106), (1092, 254863), (1127, 246948), (1196, 232701), (1274, 218454), (1583, 175812), (1794, 155134), (1911, 145636), (1932, 144053), (2093, 132972), (2254, 123474), (2548, 109227), (3166, 87906), (3381, 82316), (3588, 77567), (3822, 72818), (4186, 66486), (4508, 61737), (4749, 58604), (6279, 44324), (6332, 43953), (6762, 41158), (7644, 36409), (8372, 33243), (9498, 29302), (11081, 25116), (12558, 22162), (13524, 20579), (14651, 18996)]