489998992

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:225

約数の個数: 160

約数和(自身を含む): 1196923392

約数和(自身を除く): 706924400

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 37, 46, 53, 56, 74, 92, 97, 106, 112, 148, 161, 184, 194, 212, 259, 296, 322, 368, 371, 388, 424, 518, 592, 644, 679, 742, 776, 848, 851, 1036, 1219, 1288, 1358, 1484, 1552, 1702, 1961, 2072, 2231, 2438, 2576, 2716, 2968, 3404, 3589, 3922, 4144, 4462, 4876, 5141, 5432, 5936, 5957, 6808, 7178, 7844, 8533, 8924, 9752, 10282, 10864, 11914, 13616, 13727, 14356, 15617, 15688, 17066, 17848, 19504, 20564, 23828, 25123, 27454, 28712, 31234, 31376, 34132, 35696, 35987, 41128, 45103, 47656, 50246, 54908, 57424, 62468, 68264, 71974, 82256, 82547, 90206, 95312, 100492, 109816, 118243, 124936, 136528, 143948, 165094, 180412, 190217, 200984, 219632, 236486, 249872, 287896, 315721, 330188, 360824, 380434, 401968, 472972, 575792, 577829, 631442, 660376, 721648, 760868, 827701, 945944, 1155658, 1262884, 1320752, 1331519, 1521736, 1655402, 1891888, 2311316, 2525768, 2663038, 3043472, 3310804, 4374991, 4622632, 5051536, 5326076, 6621608, 8749982, 9245264, 10652152, 13243216, 17499964, 21304304, 30624937, 34999928, 61249874, 69999856, 122499748, 244999496, 489998992]

約数ペア:

[(1, 489998992), (2, 244999496), (4, 122499748), (7, 69999856), (8, 61249874), (14, 34999928), (16, 30624937), (23, 21304304), (28, 17499964), (37, 13243216), (46, 10652152), (53, 9245264), (56, 8749982), (74, 6621608), (92, 5326076), (97, 5051536), (106, 4622632), (112, 4374991), (148, 3310804), (161, 3043472), (184, 2663038), (194, 2525768), (212, 2311316), (259, 1891888), (296, 1655402), (322, 1521736), (368, 1331519), (371, 1320752), (388, 1262884), (424, 1155658), (518, 945944), (592, 827701), (644, 760868), (679, 721648), (742, 660376), (776, 631442), (848, 577829), (851, 575792), (1036, 472972), (1219, 401968), (1288, 380434), (1358, 360824), (1484, 330188), (1552, 315721), (1702, 287896), (1961, 249872), (2072, 236486), (2231, 219632), (2438, 200984), (2576, 190217), (2716, 180412), (2968, 165094), (3404, 143948), (3589, 136528), (3922, 124936), (4144, 118243), (4462, 109816), (4876, 100492), (5141, 95312), (5432, 90206), (5936, 82547), (5957, 82256), (6808, 71974), (7178, 68264), (7844, 62468), (8533, 57424), (8924, 54908), (9752, 50246), (10282, 47656), (10864, 45103), (11914, 41128), (13616, 35987), (13727, 35696), (14356, 34132), (15617, 31376), (15688, 31234), (17066, 28712), (17848, 27454), (19504, 25123), (20564, 23828)]