51987530

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{79}}^2$

素因数の和:196

約数の個数: 72

約数和(自身を含む): 116736228

約数和(自身を除く): 64748698

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 79, 85, 98, 119, 158, 170, 238, 245, 395, 490, 553, 595, 790, 833, 1106, 1190, 1343, 1666, 2686, 2765, 3871, 4165, 5530, 6241, 6715, 7742, 8330, 9401, 12482, 13430, 18802, 19355, 31205, 38710, 43687, 47005, 62410, 65807, 87374, 94010, 106097, 131614, 212194, 218435, 305809, 329035, 436870, 530485, 611618, 658070, 742679, 1060970, 1485358, 1529045, 3058090, 3713395, 5198753, 7426790, 10397506, 25993765, 51987530]

約数ペア:

[(1, 51987530), (2, 25993765), (5, 10397506), (7, 7426790), (10, 5198753), (14, 3713395), (17, 3058090), (34, 1529045), (35, 1485358), (49, 1060970), (70, 742679), (79, 658070), (85, 611618), (98, 530485), (119, 436870), (158, 329035), (170, 305809), (238, 218435), (245, 212194), (395, 131614), (490, 106097), (553, 94010), (595, 87374), (790, 65807), (833, 62410), (1106, 47005), (1190, 43687), (1343, 38710), (1666, 31205), (2686, 19355), (2765, 18802), (3871, 13430), (4165, 12482), (5530, 9401), (6241, 8330), (6715, 7742)]