283804520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{887}}^1$

素因数の和:1338

約数の個数: 64

約数和(自身を含む): 674524800

約数和(自身を除く): 390720280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 421, 760, 842, 887, 1684, 1774, 2105, 3368, 3548, 4210, 4435, 7096, 7999, 8420, 8870, 15998, 16840, 16853, 17740, 31996, 33706, 35480, 39995, 63992, 67412, 79990, 84265, 134824, 159980, 168530, 319960, 337060, 373427, 674120, 746854, 1493708, 1867135, 2987416, 3734270, 7095113, 7468540, 14190226, 14937080, 28380452, 35475565, 56760904, 70951130, 141902260, 283804520]

約数ペア:

[(1, 283804520), (2, 141902260), (4, 70951130), (5, 56760904), (8, 35475565), (10, 28380452), (19, 14937080), (20, 14190226), (38, 7468540), (40, 7095113), (76, 3734270), (95, 2987416), (152, 1867135), (190, 1493708), (380, 746854), (421, 674120), (760, 373427), (842, 337060), (887, 319960), (1684, 168530), (1774, 159980), (2105, 134824), (3368, 84265), (3548, 79990), (4210, 67412), (4435, 63992), (7096, 39995), (7999, 35480), (8420, 33706), (8870, 31996), (15998, 17740), (16840, 16853)]