251404048

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:205

約数の個数: 160

約数和(自身を含む): 627261440

約数和(自身を除く): 375857392

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 37, 38, 56, 62, 74, 76, 103, 112, 124, 133, 148, 152, 206, 217, 248, 259, 266, 296, 304, 412, 434, 496, 518, 532, 589, 592, 703, 721, 824, 868, 1036, 1064, 1147, 1178, 1406, 1442, 1648, 1736, 1957, 2072, 2128, 2294, 2356, 2812, 2884, 3193, 3472, 3811, 3914, 4123, 4144, 4588, 4712, 4921, 5624, 5768, 6386, 7622, 7828, 8029, 8246, 9176, 9424, 9842, 11248, 11536, 12772, 13699, 15244, 15656, 16058, 16492, 18352, 19684, 21793, 22351, 25544, 26677, 27398, 30488, 31312, 32116, 32984, 39368, 43586, 44702, 51088, 53354, 54796, 60667, 60976, 64232, 65968, 72409, 78736, 87172, 89404, 106708, 109592, 118141, 121334, 128464, 144818, 152551, 174344, 178808, 213416, 219184, 236282, 242668, 289636, 305102, 348688, 357616, 424669, 426832, 472564, 485336, 506863, 579272, 610204, 826987, 849338, 945128, 970672, 1013726, 1158544, 1220408, 1653974, 1698676, 1890256, 2027452, 2244679, 2440816, 3307948, 3397352, 4054904, 4489358, 6615896, 6794704, 8109808, 8978716, 13231792, 15712753, 17957432, 31425506, 35914864, 62851012, 125702024, 251404048]

約数ペア:

[(1, 251404048), (2, 125702024), (4, 62851012), (7, 35914864), (8, 31425506), (14, 17957432), (16, 15712753), (19, 13231792), (28, 8978716), (31, 8109808), (37, 6794704), (38, 6615896), (56, 4489358), (62, 4054904), (74, 3397352), (76, 3307948), (103, 2440816), (112, 2244679), (124, 2027452), (133, 1890256), (148, 1698676), (152, 1653974), (206, 1220408), (217, 1158544), (248, 1013726), (259, 970672), (266, 945128), (296, 849338), (304, 826987), (412, 610204), (434, 579272), (496, 506863), (518, 485336), (532, 472564), (589, 426832), (592, 424669), (703, 357616), (721, 348688), (824, 305102), (868, 289636), (1036, 242668), (1064, 236282), (1147, 219184), (1178, 213416), (1406, 178808), (1442, 174344), (1648, 152551), (1736, 144818), (1957, 128464), (2072, 121334), (2128, 118141), (2294, 109592), (2356, 106708), (2812, 89404), (2884, 87172), (3193, 78736), (3472, 72409), (3811, 65968), (3914, 64232), (4123, 60976), (4144, 60667), (4588, 54796), (4712, 53354), (4921, 51088), (5624, 44702), (5768, 43586), (6386, 39368), (7622, 32984), (7828, 32116), (8029, 31312), (8246, 30488), (9176, 27398), (9424, 26677), (9842, 25544), (11248, 22351), (11536, 21793), (12772, 19684), (13699, 18352), (15244, 16492), (15656, 16058)]