1373396380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{40609}}^1$

素因数の和:40726

約数の個数: 48

約数和(自身を含む): 3070116000

約数和(自身を除く): 1696719620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1691, 1780, 3382, 6764, 8455, 16910, 33820, 40609, 81218, 162436, 203045, 406090, 771571, 812180, 1543142, 3086284, 3614201, 3857855, 7228402, 7715710, 14456804, 15431420, 18071005, 36142010, 68669819, 72284020, 137339638, 274679276, 343349095, 686698190, 1373396380]

約数ペア:

[(1, 1373396380), (2, 686698190), (4, 343349095), (5, 274679276), (10, 137339638), (19, 72284020), (20, 68669819), (38, 36142010), (76, 18071005), (89, 15431420), (95, 14456804), (178, 7715710), (190, 7228402), (356, 3857855), (380, 3614201), (445, 3086284), (890, 1543142), (1691, 812180), (1780, 771571), (3382, 406090), (6764, 203045), (8455, 162436), (16910, 81218), (33820, 40609)]