228769520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:299

約数の個数: 160

約数和(自身を含む): 638042496

約数和(自身を除く): 409272976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 61, 70, 74, 80, 112, 122, 140, 148, 181, 185, 244, 259, 280, 296, 305, 362, 370, 427, 488, 518, 560, 592, 610, 724, 740, 854, 905, 976, 1036, 1220, 1267, 1295, 1448, 1480, 1708, 1810, 2072, 2135, 2257, 2440, 2534, 2590, 2896, 2960, 3416, 3620, 4144, 4270, 4514, 4880, 5068, 5180, 6335, 6697, 6832, 7240, 8540, 9028, 10136, 10360, 11041, 11285, 12670, 13394, 14480, 15799, 17080, 18056, 20272, 20720, 22082, 22570, 25340, 26788, 31598, 33485, 34160, 36112, 44164, 45140, 46879, 50680, 53576, 55205, 63196, 66970, 77287, 78995, 88328, 90280, 93758, 101360, 107152, 110410, 126392, 133940, 154574, 157990, 176656, 180560, 187516, 220820, 234395, 252784, 267880, 309148, 315980, 375032, 386435, 408517, 441640, 468790, 535760, 618296, 631960, 750064, 772870, 817034, 883280, 937580, 1236592, 1263920, 1545740, 1634068, 1875160, 2042585, 2859619, 3091480, 3268136, 3750320, 4085170, 5719238, 6182960, 6536272, 8170340, 11438476, 14298095, 16340680, 22876952, 28596190, 32681360, 45753904, 57192380, 114384760, 228769520]

約数ペア:

[(1, 228769520), (2, 114384760), (4, 57192380), (5, 45753904), (7, 32681360), (8, 28596190), (10, 22876952), (14, 16340680), (16, 14298095), (20, 11438476), (28, 8170340), (35, 6536272), (37, 6182960), (40, 5719238), (56, 4085170), (61, 3750320), (70, 3268136), (74, 3091480), (80, 2859619), (112, 2042585), (122, 1875160), (140, 1634068), (148, 1545740), (181, 1263920), (185, 1236592), (244, 937580), (259, 883280), (280, 817034), (296, 772870), (305, 750064), (362, 631960), (370, 618296), (427, 535760), (488, 468790), (518, 441640), (560, 408517), (592, 386435), (610, 375032), (724, 315980), (740, 309148), (854, 267880), (905, 252784), (976, 234395), (1036, 220820), (1220, 187516), (1267, 180560), (1295, 176656), (1448, 157990), (1480, 154574), (1708, 133940), (1810, 126392), (2072, 110410), (2135, 107152), (2257, 101360), (2440, 93758), (2534, 90280), (2590, 88328), (2896, 78995), (2960, 77287), (3416, 66970), (3620, 63196), (4144, 55205), (4270, 53576), (4514, 50680), (4880, 46879), (5068, 45140), (5180, 44164), (6335, 36112), (6697, 34160), (6832, 33485), (7240, 31598), (8540, 26788), (9028, 25340), (10136, 22570), (10360, 22082), (11041, 20720), (11285, 20272), (12670, 18056), (13394, 17080), (14480, 15799)]