28066710

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:398

約数の個数: 96

約数和(自身を含む): 79896672

約数和(自身を除く): 51829962

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 61, 70, 98, 105, 122, 147, 183, 210, 245, 294, 305, 313, 366, 427, 490, 610, 626, 735, 854, 915, 939, 1281, 1470, 1565, 1830, 1878, 2135, 2191, 2562, 2989, 3130, 4270, 4382, 4695, 5978, 6405, 6573, 8967, 9390, 10955, 12810, 13146, 14945, 15337, 17934, 19093, 21910, 29890, 30674, 32865, 38186, 44835, 46011, 57279, 65730, 76685, 89670, 92022, 95465, 114558, 133651, 153370, 190930, 230055, 267302, 286395, 400953, 460110, 572790, 668255, 801906, 935557, 1336510, 1871114, 2004765, 2806671, 4009530, 4677785, 5613342, 9355570, 14033355, 28066710]

約数ペア:

[(1, 28066710), (2, 14033355), (3, 9355570), (5, 5613342), (6, 4677785), (7, 4009530), (10, 2806671), (14, 2004765), (15, 1871114), (21, 1336510), (30, 935557), (35, 801906), (42, 668255), (49, 572790), (61, 460110), (70, 400953), (98, 286395), (105, 267302), (122, 230055), (147, 190930), (183, 153370), (210, 133651), (245, 114558), (294, 95465), (305, 92022), (313, 89670), (366, 76685), (427, 65730), (490, 57279), (610, 46011), (626, 44835), (735, 38186), (854, 32865), (915, 30674), (939, 29890), (1281, 21910), (1470, 19093), (1565, 17934), (1830, 15337), (1878, 14945), (2135, 13146), (2191, 12810), (2562, 10955), (2989, 9390), (3130, 8967), (4270, 6573), (4382, 6405), (4695, 5978)]