291004280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{619}}^1$

素因数の和:733

約数の個数: 128

約数和(自身を含む): 792806400

約数和(自身を除く): 501802120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 73, 92, 115, 140, 146, 161, 184, 230, 280, 292, 322, 365, 460, 511, 584, 619, 644, 730, 805, 920, 1022, 1238, 1288, 1460, 1610, 1679, 2044, 2476, 2555, 2920, 3095, 3220, 3358, 4088, 4333, 4952, 5110, 6190, 6440, 6716, 8395, 8666, 10220, 11753, 12380, 13432, 14237, 16790, 17332, 20440, 21665, 23506, 24760, 28474, 33580, 34664, 43330, 45187, 47012, 56948, 58765, 67160, 71185, 86660, 90374, 94024, 99659, 113896, 117530, 142370, 173320, 180748, 199318, 225935, 235060, 284740, 316309, 361496, 398636, 451870, 470120, 498295, 569480, 632618, 797272, 903740, 996590, 1039301, 1265236, 1581545, 1807480, 1993180, 2078602, 2530472, 3163090, 3986360, 4157204, 5196505, 6326180, 7275107, 8314408, 10393010, 12652360, 14550214, 20786020, 29100428, 36375535, 41572040, 58200856, 72751070, 145502140, 291004280]

約数ペア:

[(1, 291004280), (2, 145502140), (4, 72751070), (5, 58200856), (7, 41572040), (8, 36375535), (10, 29100428), (14, 20786020), (20, 14550214), (23, 12652360), (28, 10393010), (35, 8314408), (40, 7275107), (46, 6326180), (56, 5196505), (70, 4157204), (73, 3986360), (92, 3163090), (115, 2530472), (140, 2078602), (146, 1993180), (161, 1807480), (184, 1581545), (230, 1265236), (280, 1039301), (292, 996590), (322, 903740), (365, 797272), (460, 632618), (511, 569480), (584, 498295), (619, 470120), (644, 451870), (730, 398636), (805, 361496), (920, 316309), (1022, 284740), (1238, 235060), (1288, 225935), (1460, 199318), (1610, 180748), (1679, 173320), (2044, 142370), (2476, 117530), (2555, 113896), (2920, 99659), (3095, 94024), (3220, 90374), (3358, 86660), (4088, 71185), (4333, 67160), (4952, 58765), (5110, 56948), (6190, 47012), (6440, 45187), (6716, 43330), (8395, 34664), (8666, 33580), (10220, 28474), (11753, 24760), (12380, 23506), (13432, 21665), (14237, 20440), (16790, 17332)]