739840

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^2$

素因数の和:57

約数の個数: 60

約数和(自身を含む): 1884366

約数和(自身を除く): 1144526

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 289, 320, 340, 512, 544, 578, 640, 680, 1088, 1156, 1280, 1360, 1445, 2176, 2312, 2560, 2720, 2890, 4352, 4624, 5440, 5780, 8704, 9248, 10880, 11560, 18496, 21760, 23120, 36992, 43520, 46240, 73984, 92480, 147968, 184960, 369920, 739840]

約数ペア:

[(1, 739840), (2, 369920), (4, 184960), (5, 147968), (8, 92480), (10, 73984), (16, 46240), (17, 43520), (20, 36992), (32, 23120), (34, 21760), (40, 18496), (64, 11560), (68, 10880), (80, 9248), (85, 8704), (128, 5780), (136, 5440), (160, 4624), (170, 4352), (256, 2890), (272, 2720), (289, 2560), (320, 2312), (340, 2176), (512, 1445), (544, 1360), (578, 1280), (640, 1156), (680, 1088)]