51389940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3947}}^1$

素因数の和:3997

約数の個数: 96

約数和(自身を含む): 169795584

約数和(自身を除く): 118405644

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1860, 2170, 2604, 3255, 3947, 4340, 6510, 7894, 11841, 13020, 15788, 19735, 23682, 27629, 39470, 47364, 55258, 59205, 78940, 82887, 110516, 118410, 122357, 138145, 165774, 236820, 244714, 276290, 331548, 367071, 414435, 489428, 552580, 611785, 734142, 828870, 856499, 1223570, 1468284, 1657740, 1712998, 1835355, 2447140, 2569497, 3425996, 3670710, 4282495, 5138994, 7341420, 8564990, 10277988, 12847485, 17129980, 25694970, 51389940]

約数ペア:

[(1, 51389940), (2, 25694970), (3, 17129980), (4, 12847485), (5, 10277988), (6, 8564990), (7, 7341420), (10, 5138994), (12, 4282495), (14, 3670710), (15, 3425996), (20, 2569497), (21, 2447140), (28, 1835355), (30, 1712998), (31, 1657740), (35, 1468284), (42, 1223570), (60, 856499), (62, 828870), (70, 734142), (84, 611785), (93, 552580), (105, 489428), (124, 414435), (140, 367071), (155, 331548), (186, 276290), (210, 244714), (217, 236820), (310, 165774), (372, 138145), (420, 122357), (434, 118410), (465, 110516), (620, 82887), (651, 78940), (868, 59205), (930, 55258), (1085, 47364), (1302, 39470), (1860, 27629), (2170, 23682), (2604, 19735), (3255, 15788), (3947, 13020), (4340, 11841), (6510, 7894)]