489643264

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:208

約数の個数: 144

約数和(自身を含む): 1130250240

約数和(自身を除く): 640606976

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 71, 79, 88, 124, 128, 142, 158, 176, 248, 256, 284, 316, 341, 352, 496, 568, 632, 682, 704, 781, 869, 992, 1136, 1264, 1364, 1408, 1562, 1738, 1984, 2201, 2272, 2449, 2528, 2728, 2816, 3124, 3476, 3968, 4402, 4544, 4898, 5056, 5456, 5609, 6248, 6952, 7936, 8804, 9088, 9796, 10112, 10912, 11218, 12496, 13904, 17608, 18176, 19592, 20224, 21824, 22436, 24211, 24992, 26939, 27808, 35216, 39184, 43648, 44872, 48422, 49984, 53878, 55616, 61699, 70432, 78368, 87296, 89744, 96844, 99968, 107756, 111232, 123398, 140864, 156736, 173879, 179488, 193688, 199936, 215512, 222464, 246796, 281728, 313472, 347758, 358976, 387376, 431024, 493592, 563456, 626944, 695516, 717952, 774752, 862048, 987184, 1391032, 1435904, 1549504, 1724096, 1912669, 1974368, 2782064, 3099008, 3448192, 3825338, 3948736, 5564128, 6198016, 6896384, 7650676, 7897472, 11128256, 15301352, 15794944, 22256512, 30602704, 44513024, 61205408, 122410816, 244821632, 489643264]

約数ペア:

[(1, 489643264), (2, 244821632), (4, 122410816), (8, 61205408), (11, 44513024), (16, 30602704), (22, 22256512), (31, 15794944), (32, 15301352), (44, 11128256), (62, 7897472), (64, 7650676), (71, 6896384), (79, 6198016), (88, 5564128), (124, 3948736), (128, 3825338), (142, 3448192), (158, 3099008), (176, 2782064), (248, 1974368), (256, 1912669), (284, 1724096), (316, 1549504), (341, 1435904), (352, 1391032), (496, 987184), (568, 862048), (632, 774752), (682, 717952), (704, 695516), (781, 626944), (869, 563456), (992, 493592), (1136, 431024), (1264, 387376), (1364, 358976), (1408, 347758), (1562, 313472), (1738, 281728), (1984, 246796), (2201, 222464), (2272, 215512), (2449, 199936), (2528, 193688), (2728, 179488), (2816, 173879), (3124, 156736), (3476, 140864), (3968, 123398), (4402, 111232), (4544, 107756), (4898, 99968), (5056, 96844), (5456, 89744), (5609, 87296), (6248, 78368), (6952, 70432), (7936, 61699), (8804, 55616), (9088, 53878), (9796, 49984), (10112, 48422), (10912, 44872), (11218, 43648), (12496, 39184), (13904, 35216), (17608, 27808), (18176, 26939), (19592, 24992), (20224, 24211), (21824, 22436)]