355655680

素因数分解:

$2^{13}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:507

約数の個数: 112

約数和(自身を含む): 900409680

約数和(自身を除く): 544754000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 457, 512, 608, 640, 760, 914, 1024, 1216, 1280, 1520, 1828, 2048, 2285, 2432, 2560, 3040, 3656, 4096, 4570, 4864, 5120, 6080, 7312, 8192, 8683, 9140, 9728, 10240, 12160, 14624, 17366, 18280, 19456, 20480, 24320, 29248, 34732, 36560, 38912, 40960, 43415, 48640, 58496, 69464, 73120, 77824, 86830, 97280, 116992, 138928, 146240, 155648, 173660, 194560, 233984, 277856, 292480, 347320, 389120, 467968, 555712, 584960, 694640, 778240, 935936, 1111424, 1169920, 1389280, 1871872, 2222848, 2339840, 2778560, 3743744, 4445696, 4679680, 5557120, 8891392, 9359360, 11114240, 17782784, 18718720, 22228480, 35565568, 44456960, 71131136, 88913920, 177827840, 355655680]

約数ペア:

[(1, 355655680), (2, 177827840), (4, 88913920), (5, 71131136), (8, 44456960), (10, 35565568), (16, 22228480), (19, 18718720), (20, 17782784), (32, 11114240), (38, 9359360), (40, 8891392), (64, 5557120), (76, 4679680), (80, 4445696), (95, 3743744), (128, 2778560), (152, 2339840), (160, 2222848), (190, 1871872), (256, 1389280), (304, 1169920), (320, 1111424), (380, 935936), (457, 778240), (512, 694640), (608, 584960), (640, 555712), (760, 467968), (914, 389120), (1024, 347320), (1216, 292480), (1280, 277856), (1520, 233984), (1828, 194560), (2048, 173660), (2285, 155648), (2432, 146240), (2560, 138928), (3040, 116992), (3656, 97280), (4096, 86830), (4570, 77824), (4864, 73120), (5120, 69464), (6080, 58496), (7312, 48640), (8192, 43415), (8683, 40960), (9140, 38912), (9728, 36560), (10240, 34732), (12160, 29248), (14624, 24320), (17366, 20480), (18280, 19456)]