438378880

素因数分解:

$2^7\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1627}}^1$

素因数の和:2067

約数の個数: 64

約数和(自身を含む): 1051134480

約数和(自身を除く): 612755600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 421, 640, 842, 1627, 1684, 2105, 3254, 3368, 4210, 6508, 6736, 8135, 8420, 13016, 13472, 16270, 16840, 26032, 26944, 32540, 33680, 52064, 53888, 65080, 67360, 104128, 130160, 134720, 208256, 260320, 269440, 520640, 684967, 1041280, 1369934, 2739868, 3424835, 5479736, 6849670, 10959472, 13699340, 21918944, 27398680, 43837888, 54797360, 87675776, 109594720, 219189440, 438378880]

約数ペア:

[(1, 438378880), (2, 219189440), (4, 109594720), (5, 87675776), (8, 54797360), (10, 43837888), (16, 27398680), (20, 21918944), (32, 13699340), (40, 10959472), (64, 6849670), (80, 5479736), (128, 3424835), (160, 2739868), (320, 1369934), (421, 1041280), (640, 684967), (842, 520640), (1627, 269440), (1684, 260320), (2105, 208256), (3254, 134720), (3368, 130160), (4210, 104128), (6508, 67360), (6736, 65080), (8135, 53888), (8420, 52064), (13016, 33680), (13472, 32540), (16270, 26944), (16840, 26032)]