1057272040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{643}}^1$

素因数の和:803

約数の個数: 128

約数和(自身を含む): 2695835520

約数和(自身を除く): 1638563480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 101, 110, 148, 185, 202, 220, 296, 370, 404, 407, 440, 505, 643, 740, 808, 814, 1010, 1111, 1286, 1480, 1628, 2020, 2035, 2222, 2572, 3215, 3256, 3737, 4040, 4070, 4444, 5144, 5555, 6430, 7073, 7474, 8140, 8888, 11110, 12860, 14146, 14948, 16280, 18685, 22220, 23791, 25720, 28292, 29896, 35365, 37370, 41107, 44440, 47582, 56584, 64943, 70730, 74740, 82214, 95164, 118955, 129886, 141460, 149480, 164428, 190328, 205535, 237910, 259772, 261701, 282920, 324715, 328856, 411070, 475820, 519544, 523402, 649430, 714373, 822140, 951640, 1046804, 1298860, 1308505, 1428746, 1644280, 2093608, 2402891, 2597720, 2617010, 2857492, 3571865, 4805782, 5234020, 5714984, 7143730, 9611564, 10468040, 12014455, 14287460, 19223128, 24028910, 26431801, 28574920, 48057820, 52863602, 96115640, 105727204, 132159005, 211454408, 264318010, 528636020, 1057272040]

約数ペア:

[(1, 1057272040), (2, 528636020), (4, 264318010), (5, 211454408), (8, 132159005), (10, 105727204), (11, 96115640), (20, 52863602), (22, 48057820), (37, 28574920), (40, 26431801), (44, 24028910), (55, 19223128), (74, 14287460), (88, 12014455), (101, 10468040), (110, 9611564), (148, 7143730), (185, 5714984), (202, 5234020), (220, 4805782), (296, 3571865), (370, 2857492), (404, 2617010), (407, 2597720), (440, 2402891), (505, 2093608), (643, 1644280), (740, 1428746), (808, 1308505), (814, 1298860), (1010, 1046804), (1111, 951640), (1286, 822140), (1480, 714373), (1628, 649430), (2020, 523402), (2035, 519544), (2222, 475820), (2572, 411070), (3215, 328856), (3256, 324715), (3737, 282920), (4040, 261701), (4070, 259772), (4444, 237910), (5144, 205535), (5555, 190328), (6430, 164428), (7073, 149480), (7474, 141460), (8140, 129886), (8888, 118955), (11110, 95164), (12860, 82214), (14146, 74740), (14948, 70730), (16280, 64943), (18685, 56584), (22220, 47582), (23791, 44440), (25720, 41107), (28292, 37370), (29896, 35365)]