421000000

素因数分解:

$2^6\times 5^6\times {\mathrm{421}}^1$

素因数の和:463

約数の個数: 98

約数和(自身を含む): 1046744414

約数和(自身を除く): 625744414

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 421, 500, 625, 800, 842, 1000, 1250, 1600, 1684, 2000, 2105, 2500, 3125, 3368, 4000, 4210, 5000, 6250, 6736, 8000, 8420, 10000, 10525, 12500, 13472, 15625, 16840, 20000, 21050, 25000, 26944, 31250, 33680, 40000, 42100, 50000, 52625, 62500, 67360, 84200, 100000, 105250, 125000, 134720, 168400, 200000, 210500, 250000, 263125, 336800, 421000, 500000, 526250, 673600, 842000, 1000000, 1052500, 1315625, 1684000, 2105000, 2631250, 3368000, 4210000, 5262500, 6578125, 8420000, 10525000, 13156250, 16840000, 21050000, 26312500, 42100000, 52625000, 84200000, 105250000, 210500000, 421000000]

約数ペア:

[(1, 421000000), (2, 210500000), (4, 105250000), (5, 84200000), (8, 52625000), (10, 42100000), (16, 26312500), (20, 21050000), (25, 16840000), (32, 13156250), (40, 10525000), (50, 8420000), (64, 6578125), (80, 5262500), (100, 4210000), (125, 3368000), (160, 2631250), (200, 2105000), (250, 1684000), (320, 1315625), (400, 1052500), (421, 1000000), (500, 842000), (625, 673600), (800, 526250), (842, 500000), (1000, 421000), (1250, 336800), (1600, 263125), (1684, 250000), (2000, 210500), (2105, 200000), (2500, 168400), (3125, 134720), (3368, 125000), (4000, 105250), (4210, 100000), (5000, 84200), (6250, 67360), (6736, 62500), (8000, 52625), (8420, 50000), (10000, 42100), (10525, 40000), (12500, 33680), (13472, 31250), (15625, 26944), (16840, 25000), (20000, 21050)]