309117440

素因数分解:

$2^9\times 5^1\times {\mathrm{120749}}^1$

素因数の和:120772

約数の個数: 40

約数和(自身を含む): 741163500

約数和(自身を除く): 432046060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 120749, 241498, 482996, 603745, 965992, 1207490, 1931984, 2414980, 3863968, 4829960, 7727936, 9659920, 15455872, 19319840, 30911744, 38639680, 61823488, 77279360, 154558720, 309117440]

約数ペア:

[(1, 309117440), (2, 154558720), (4, 77279360), (5, 61823488), (8, 38639680), (10, 30911744), (16, 19319840), (20, 15455872), (32, 9659920), (40, 7727936), (64, 4829960), (80, 3863968), (128, 2414980), (160, 1931984), (256, 1207490), (320, 965992), (512, 603745), (640, 482996), (1280, 241498), (2560, 120749)]