218206520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1093}}^1$

素因数の和:1165

約数の個数: 128

約数和(自身を含む): 604938240

約数和(自身を除く): 386731720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 31, 35, 40, 46, 56, 62, 70, 92, 115, 124, 140, 155, 161, 184, 217, 230, 248, 280, 310, 322, 434, 460, 620, 644, 713, 805, 868, 920, 1085, 1093, 1240, 1288, 1426, 1610, 1736, 2170, 2186, 2852, 3220, 3565, 4340, 4372, 4991, 5465, 5704, 6440, 7130, 7651, 8680, 8744, 9982, 10930, 14260, 15302, 19964, 21860, 24955, 25139, 28520, 30604, 33883, 38255, 39928, 43720, 49910, 50278, 61208, 67766, 76510, 99820, 100556, 125695, 135532, 153020, 169415, 175973, 199640, 201112, 237181, 251390, 271064, 306040, 338830, 351946, 474362, 502780, 677660, 703892, 779309, 879865, 948724, 1005560, 1185905, 1355320, 1407784, 1558618, 1759730, 1897448, 2371810, 3117236, 3519460, 3896545, 4743620, 5455163, 6234472, 7038920, 7793090, 9487240, 10910326, 15586180, 21820652, 27275815, 31172360, 43641304, 54551630, 109103260, 218206520]

約数ペア:

[(1, 218206520), (2, 109103260), (4, 54551630), (5, 43641304), (7, 31172360), (8, 27275815), (10, 21820652), (14, 15586180), (20, 10910326), (23, 9487240), (28, 7793090), (31, 7038920), (35, 6234472), (40, 5455163), (46, 4743620), (56, 3896545), (62, 3519460), (70, 3117236), (92, 2371810), (115, 1897448), (124, 1759730), (140, 1558618), (155, 1407784), (161, 1355320), (184, 1185905), (217, 1005560), (230, 948724), (248, 879865), (280, 779309), (310, 703892), (322, 677660), (434, 502780), (460, 474362), (620, 351946), (644, 338830), (713, 306040), (805, 271064), (868, 251390), (920, 237181), (1085, 201112), (1093, 199640), (1240, 175973), (1288, 169415), (1426, 153020), (1610, 135532), (1736, 125695), (2170, 100556), (2186, 99820), (2852, 76510), (3220, 67766), (3565, 61208), (4340, 50278), (4372, 49910), (4991, 43720), (5465, 39928), (5704, 38255), (6440, 33883), (7130, 30604), (7651, 28520), (8680, 25139), (8744, 24955), (9982, 21860), (10930, 19964), (14260, 15302)]