489010648

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:237

約数の個数: 128

約数和(自身を含む): 1129749120

約数和(自身を除く): 640738472

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 53, 56, 61, 73, 74, 106, 122, 146, 148, 212, 244, 259, 292, 296, 371, 424, 427, 488, 511, 518, 584, 742, 854, 1022, 1036, 1484, 1708, 1961, 2044, 2072, 2257, 2701, 2968, 3233, 3416, 3869, 3922, 4088, 4453, 4514, 5402, 6466, 7738, 7844, 8906, 9028, 10804, 12932, 13727, 15476, 15688, 15799, 17812, 18056, 18907, 21608, 22631, 25864, 27083, 27454, 30952, 31171, 31598, 35624, 37814, 45262, 54166, 54908, 62342, 63196, 75628, 90524, 108332, 109816, 119621, 124684, 126392, 143153, 151256, 164761, 181048, 216664, 236009, 239242, 249368, 286306, 329522, 472018, 478484, 572612, 659044, 837347, 944036, 956968, 1002071, 1145224, 1153327, 1318088, 1652063, 1674694, 1888072, 2004142, 2306654, 3304126, 3349388, 4008284, 4613308, 6608252, 6698776, 8016568, 8732333, 9226616, 13216504, 17464666, 34929332, 61126331, 69858664, 122252662, 244505324, 489010648]

約数ペア:

[(1, 489010648), (2, 244505324), (4, 122252662), (7, 69858664), (8, 61126331), (14, 34929332), (28, 17464666), (37, 13216504), (53, 9226616), (56, 8732333), (61, 8016568), (73, 6698776), (74, 6608252), (106, 4613308), (122, 4008284), (146, 3349388), (148, 3304126), (212, 2306654), (244, 2004142), (259, 1888072), (292, 1674694), (296, 1652063), (371, 1318088), (424, 1153327), (427, 1145224), (488, 1002071), (511, 956968), (518, 944036), (584, 837347), (742, 659044), (854, 572612), (1022, 478484), (1036, 472018), (1484, 329522), (1708, 286306), (1961, 249368), (2044, 239242), (2072, 236009), (2257, 216664), (2701, 181048), (2968, 164761), (3233, 151256), (3416, 143153), (3869, 126392), (3922, 124684), (4088, 119621), (4453, 109816), (4514, 108332), (5402, 90524), (6466, 75628), (7738, 63196), (7844, 62342), (8906, 54908), (9028, 54166), (10804, 45262), (12932, 37814), (13727, 35624), (15476, 31598), (15688, 31171), (15799, 30952), (17812, 27454), (18056, 27083), (18907, 25864), (21608, 22631)]