440469918

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{21713}}^1$

素因数の和:21758

約数の個数: 72

約数和(自身を含む): 1158485328

約数和(自身を除く): 718015410

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 49, 63, 69, 98, 126, 138, 147, 161, 207, 294, 322, 414, 441, 483, 882, 966, 1127, 1449, 2254, 2898, 3381, 6762, 10143, 20286, 21713, 43426, 65139, 130278, 151991, 195417, 303982, 390834, 455973, 499399, 911946, 998798, 1063937, 1367919, 1498197, 2127874, 2735838, 2996394, 3191811, 3495793, 4494591, 6383622, 6991586, 8989182, 9575433, 10487379, 19150866, 20974758, 24470551, 31462137, 48941102, 62924274, 73411653, 146823306, 220234959, 440469918]

約数ペア:

[(1, 440469918), (2, 220234959), (3, 146823306), (6, 73411653), (7, 62924274), (9, 48941102), (14, 31462137), (18, 24470551), (21, 20974758), (23, 19150866), (42, 10487379), (46, 9575433), (49, 8989182), (63, 6991586), (69, 6383622), (98, 4494591), (126, 3495793), (138, 3191811), (147, 2996394), (161, 2735838), (207, 2127874), (294, 1498197), (322, 1367919), (414, 1063937), (441, 998798), (483, 911946), (882, 499399), (966, 455973), (1127, 390834), (1449, 303982), (2254, 195417), (2898, 151991), (3381, 130278), (6762, 65139), (10143, 43426), (20286, 21713)]