38235220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{421}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 85075200

約数和(自身を除く): 46839980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 239, 380, 421, 478, 842, 956, 1195, 1684, 2105, 2390, 4210, 4541, 4780, 7999, 8420, 9082, 15998, 18164, 22705, 31996, 39995, 45410, 79990, 90820, 100619, 159980, 201238, 402476, 503095, 1006190, 1911761, 2012380, 3823522, 7647044, 9558805, 19117610, 38235220]

約数ペア:

[(1, 38235220), (2, 19117610), (4, 9558805), (5, 7647044), (10, 3823522), (19, 2012380), (20, 1911761), (38, 1006190), (76, 503095), (95, 402476), (190, 201238), (239, 159980), (380, 100619), (421, 90820), (478, 79990), (842, 45410), (956, 39995), (1195, 31996), (1684, 22705), (2105, 18164), (2390, 15998), (4210, 9082), (4541, 8420), (4780, 7999)]