199944640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{89261}}^1$

素因数の和:89285

約数の個数: 56

約数和(自身を含む): 544141152

約数和(自身を除く): 344196512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 89261, 178522, 357044, 446305, 624827, 714088, 892610, 1249654, 1428176, 1785220, 2499308, 2856352, 3124135, 3570440, 4998616, 5712704, 6248270, 7140880, 9997232, 12496540, 14281760, 19994464, 24993080, 28563520, 39988928, 49986160, 99972320, 199944640]

約数ペア:

[(1, 199944640), (2, 99972320), (4, 49986160), (5, 39988928), (7, 28563520), (8, 24993080), (10, 19994464), (14, 14281760), (16, 12496540), (20, 9997232), (28, 7140880), (32, 6248270), (35, 5712704), (40, 4998616), (56, 3570440), (64, 3124135), (70, 2856352), (80, 2499308), (112, 1785220), (140, 1428176), (160, 1249654), (224, 892610), (280, 714088), (320, 624827), (448, 446305), (560, 357044), (1120, 178522), (2240, 89261)]